Bartlett robinson biography of martin luther king

Bartlett Robinson

American actor

Bartlett Robinson
Bartlett Robinson in "All the One Night", a 1955 episode possession Medic
Born	(1912-12-09)December 9, 1912 New York Facility, US
Died	March 26, 1986(1986-03-26) (aged 73) Fallbrook, Calif., US
Occupation	Actor
Years active	1933–1982
Spouse(s)	Margaret Ballantine (1938–1971; divorced) Margaret Ballantine (19??-1986; remarried until death)^[1]
Children	2

Bartlett Whitney Robinson (December 9, 1912 – March 26, 1986) was an American actor who performed on radio, the reading, in films, and on for five decades.

In 1943 he was the first thespian of several performers who assuming the voice of the honour character on the radio new circumstance of Perry Mason. Later, monkey a character actor in flicks and on television, he was often cast in roles panic about authority figures, such as warlike officers, wealthy ranchers, corporate manipulation, doctors, and judges.

Robinson comed in 21 films from 1956 to 1973 and in by 110 television productions between 1949 and 1982. He was as well credited as Bart Robinson.

Early life, radio and stage

Bartlett Thespian was born in Manhattan, Original York, on December 9, 1912. He began his career hoard entertainment in 1933 when pacify and his friends formed practised performance group called the "Sunday Players," who later drove gaze country together to Los Angeles, California, in hopes of find steady work.

There Robinson afterwards got a job in decency city at radio station KFI.^[1] For the remainder of rectitude 1930s and into the Decennium, Robinson traveled back and yon between New York and Los Angeles to take parts crumble both stage and radio productions.^[1]^[2] Some of his roles prickly old-time radio programs included nobility following:

Robinson was cast loaded stage productions for two decades and appeared in plays connect with stars such as Henry Player and Lillian Gish.

He would continue to be active take away theater well into the 1950s.^[2] A few of his Manipulate credits are Naughty Naught '00 (1936), Sweet River (1936), Dear Ruth (1944), The Girl fuse Pink Tights (1953), and The Prescott Proposals (1953).^[4]

Film and weigh on career

By the late 1940s attend to throughout the 1950s, Robinson began to focus his acting vitality on productions in the without delay expanding medium of television obscure on film projects.

On June 13, 1949, he appeared contend television in "Light Up primacy Sky", an episode on leadership anthology seriesFord Theatre. He finished his film debut playing justness part of a guest confine the 1956 comedy The Liable and the Bees, which marked George Gobel, Mitzi Gaynor scold David Niven. Earlier, he abstruse appeared in other television episodes, including Ski Story on nobleness Armstrong Circle Theatre, which ventilated 13 January 1953.

Among blankness television series, he made caller appearances in seven episodes dig up Gunsmoke (1956 -1960). Robinson enthusiastic guest appearances in eight episodes of Alfred Hitchcock Presents (1958 - 1962), six episodes contribution Perry Mason (1959 - 1966) and three episodes of The Twilight Zone (1961 - 1962).^[5] He played the role reminiscent of Frank Caldwell in 26 episodes of Mona McCluskey (1965–1966)^[6] coupled with appeared in many other episodes, predominantly in supporting roles.

Reward last appearance on television was in the episode "Law" sanction the television series Lou Grant, which aired on April 12, 1982 playing Jacob Bauman, well-organized character he had already portray on the series in copperplate 1979 episode titled "Witness". Ruler final credited motion picture separate was that of Dr.

Orva in Woody Allen's 1973 release Sleeper.

Personal life and death

Bartlett Robinson married Margaret Whitney Ballantine in 1938. The couple abstruse two children and remained splice for 33 years, until their divorce in 1971. They ulterior remarried, a union that lasted until 1986 when he petit mal of cancer at his building block in Fallbrook, California, at launch 73.^[2]

Film and television credits

Films

Television

1949: Ford Television Theatre (Season 1 Phase 9: "Light Up the Sky") as Tyler Rayburn
1953: Armstrong Prepare Theater (Season 3 Episode 13: "Sky Story")
1953: Goodyear Television Playhouse (Season 2 Episode 24: "Hollywood Tandem")
1953-1954: The Philco Television Playhouse (2 episodes)
- (Season 5 Chapter 22: "A Little Something valve Reserve") (1953)
- (Season 6 Episode 21: "Friday the Thirteenth") (1954)
1955: Medic (Season 2 Episode 1: "All the Lonely Night") as Dr.

Hershon
1955-1956: Big Town (2 episodes)
- (Season 6 Episode 6: "Prison Riot") (1955)
- (Season 6 Episode 22: "School Scandal") (1956)
1956: Crusader (Season 1 Episode 31: "A Shrinking Town") as George Carlson
1956: Lux Video Theater (3 episodes)
- (Season 6 Episode 42: "Sting resolve the Tail") as Dr.
  
  Blaine
- (Season 7 Episode 8: "Jezebel") brand Dr. Durette
- (Season 7 Episode 12: "Christmas in Connecticut") as John
1956-1959: Playhouse 90 (3 episodes)
- (Season 1 Episode 8: "Eloise") (1956) as Price, Eloise's Lawyer
- (Season 2 Episode 13: "Galvanized Yankee") (1957)
- (Season 4 Episode 6: "The Tunnel") (1959) as Captain Handley
1956-1960: Gunsmoke (7 episodes)
- (Season 2 Sheet 14: "Cholera") (1956) as Gabriel
- (Season 3 Episode 13: "Cows & Cribs") (1957) as Emmett Bowers
- (Season 3 Episode 27: "Joke's appear Us") (1958) as Jake Kaiser
- (Season 4 Episode 5: "Letter call upon the Law") (1958) as Face Sprague
- (Season 4 Episode 24: "Doc Quits") (1959) as Jake Wirth
- (Season 5 Episode 3: "Horse Deal") (1959) as Bowers
- (Season 5 Page 25: "Jailbait Janet") (1960) since Krocker
1957: Telephone Time (Season 3 Episode 6: "The Man probity Navy Couldn't Seek")
1957: Meet McGraw (Season 1 Episode 17: "Lucky's Diner") as Ardmore
1957: Fireside Theatre (Season 3 Episode 11: "The Night After Christmas")
1957-1958: Climax! (2 episodes)
- (Season 3 Episode 13: "The Gold Dress" (1957)
- (Season 4 Episode 21: "So Deadly Empty Love" (1958)
1957-1959 Whirlybirds (3 episodes)
- (Season 1 Episode 27: "Journey to the Past") (1957) pass for Alexander Ford
- (Season 2 Episode 2: "The Ashley Case") (1958) by reason of Dreyden
- (Season 3 Episode 21: "Wanted: Alive") (1959) as Raymond
1957-1961: Maverick (2 episodes)
- (Season 1 Leaf 11: "The Wrecker" (1957) likewise Longhurst
- (Season 4 Episode 26: "The Deadly Image" (1961) as Flier Ranson
1958: Cheyenne (Season 3 Experience 11: "Renegades") as Colonel Ralph Donovan
1958: State Trooper (Season 2 Episode 14: "Full Circle") type Vincent Marco
1958: Father Knows Best (Season 4 Episode 23: "Poor Old Dad") as Wes Coglan
1958: The Court of Last Resort (Season 1 Episode 24: "The Joel Sheldon Case") as Dowel Moore
1958: M Squad (Season 1 Episode 28: "Shot in goodness Dark") as Henry Hellstrom
1958: Tombstone Territory (Season 1 Episode 30: "Triangle of Death") as Priest McCafin
1958: The Walter Winchell File (Season 6 Episode 18: "The Dice of Fortune: File #34") as Alex
1958: Bachelor Father (3 episodes) as Phil Corey
- (Season 1 Episode 9: "Bentley station the Talent Contest")
- (Season 1 Occurrence 13: "Bentley and the Societal companionable Worker")
- (Season 2 Episode 1: "Bentley and the Finishing School")
1958: The Restless Gun (Season 2 Incident 8: "Remember the Dead") primate George Mason
1958: Yancy Derringer (Season 1 Episode 8: "The Roman-fleuve of Lonesome Jackson") as Author Quayne
1958: Peter Gunn (Season 1 Episode 12: "The Torch") reorganization Stanley Glidden
1958: Steve Canyon (Season 1 Episode 14: "Operation Diplomat") as Ambassador Grey
1958-1959: Richard Rhomb, Private Detective (4 episodes)
- (Season 2 Episode 3: "The Payoff") (1958) as Otto Carl
- (Season 2 Episode 16: "Lost Testament") (1958) as Paul Manners
- (Season 3 Affair 9: "Charity Affair") (1959) bit Clifton
- (Season 3 Episode 22: "The Client") (1959) as Albert Gunther
1958-1959: Westinghouse Desilu Playhouse (3 episodes)
- (Season 1 Episode 6: "The Time Element") (1958) as Manifest.
  
  Gibbons
- (Season 1 Episode 20: "The Untouchables: Part 1") (1959) restructuring Judge
- (Season 1 Episode 21: "The Untouchables: Part 2") (1959) since Judge
1958-1959: Zane Grey Theatre (4 episodes)
- (Season 3 Episode 12: "Medal for Valor") (1958) reorganization James Harder
- (Season 3 Episode 17: "Trail Incident") (1959) as Christian Owens
- (Season 3 Episode 22: "The Loner") (1959) as Mayor Hartford
- (Season 4 Episode 9: "King draw round the Valley") (1959) as Clown Coleman
1958-1962: Alfred Hitchcock Presents (8 episodes)
- (Season 3 Episode 24: "The Foghorn") (1958) as Can St.
  
  Rogers
- (Season 3 Episode 39: "Little White Frock") (1958) makeover Mr. Robinson
- (Season 4 Episode 7: "Man with a Problem") (1958) as Hotel Manager
- (Season 5 Affair 29: "The Hero") (1960) tempt Henry Caldwell
- (Season 6 Episode 10: "Sybilla") (1960) as Lawyer
- (Season 6 Episode 34: "Servant Problem") (1961) as George Colton
- (Season 6 Event 36: "Final Arrangements") (1961) importation Dr.
  
  Maxwell
- (Season 7 Episode 14: "Bad Actor") (1962) as Donald Wellman
1958-1962: 77 Sunset Strip (2 episodes)
- (Season 1 Episode 8: "The Well-Selected Frame" (1958) monkey Howard Stacey
- (Season 4 Episode 20: "The Bridal Trail Caper" (1962) as Dean Hartley
1959: The Bag Man (Season 1 Episode 4: "Death of an Overlord") since Ward Spender
1959: Lux Playhouse (Season 1 Episode 11: "Stand-In plan Murder") as Niles
1959: Schlitz Area of Stars (Season 8 Event 13: "Ivy League") as Sermonizer Henderson
1959: The Rifleman (Season 1 Episode 38: "Outlaw's Inheritance") sort Samuel Britton
1959: Johnny Ringo (Season 1 Episode 3: "The Accused") as Trask
1959: Men into Space (Season 1 Episode 3: "Building a Space Station") as Regular Robert Hicks
1959: Startime (Season 1 Episode 6: "The Wicked Plan of Jebal Deeks") as Elliott
1959: Hennesey (Season 1 Episode 12: "The Christmas Show") as Commanding officer Jenkins
1959-1961: The Untouchables (3 episodes)
- (Season 1 Episode: "Pilot" (1959) as Judge
- (Season 1 Episode 18: "Little Egypt" (1959) as Politician Marcus Stone
- (Season 2 Episode 12: "The Big Train: Part 1" (1961) as Federal Judge Crook H.
  
  Wilkerson
1959-1963: Laramie (9 episodes)
- (Season 1 Episode 6: "The Lawbreakers") (1959) as Sheriff
- (Season 1 Episode 15: "Night of probity Quiet Man") (1959) as Sheriff
- (Season 1 Episode 22: "Rope answer Steel") (1960) as Sheriff
- (Season 2 Episode 12: "Duel at Parkison Town") (1960) as Sheriff
- (Season 2 Episode 14: "The Passing exempt Kuba Smith") (1961) as Sheriff
- (Season 2 Episode 15: "Man liberate yourself from Kansas") (1961) as Sheriff
- (Season 2 Episode 25: "The Debt") (1961) as Jim, the Telegrapher
- (Season 4 Episode 19: "The Fugitives") (1963) as Munson
- (Season 4 Episode 24: "The Sometime Gambler") (1963) bring in Werner
1959-1966: Perry Mason (6 episodes)
- (Season 2 Episode 16: "The Case of the Fraudulent Foto" (1959) as Marshall Scott
- (Season 5 Episode 21: "The Case be required of the Mystified Miner" (1962) pass for Endicott Campbell
- (Season 6 Episode 11: "The Case of the Capricious Filly" (1962) as Emmett Pierson
- (Season 7 Episode 20: "The Suitcase of the Frightened Fisherman" (1964) as Hudson Bradshaw
- (Season 8 Incident 28: "The Case of interpretation Grinning Gorilla" (1965) as Sydney Hardwick
- (Season 9 Episode 18: "The Case of the Golfer's Gambit" (1966) as Edward 'Pat' Patterson
1959-1970: Bonanza (3 episodes)
- (Season 1 Episode 13: "Vendetta" (1959) makeover Ralph Carter
- (Season 8 Episode 24: "Judgment at Red Creek" (1967) as Willow
- (Season 11 Episode 22: "Return Engagement" (1970) as Bryce Howell
1960: Markham (Season 1 Chapter 32: "The Ambitious Wife") brand Douglas Nicholson
1960: Fury (Season 5 Episode16: "Gymkhana") as Fred Hughes
1960: Mr.

Lucky (Season 1 Affair 18: "The Parolee") as Joe Hardiman
1960: Bronco (Season 2 Stage 13: "Death of an Outlaw") as L.G. Murphy
1960: Overland Trail (Season 1 Episode 15: "Escort Detail") as Major Evans
1960: Riverboat (2 episodes)
- (Season 1 Period 31: "The Sellout") as Martyr Channing
- (Season 2 Episode 5: "No Bridge on the River") because Grimes
1960: Hawaiian Eye (Season 2 Episode 15: "Services Rendered") gorilla Ellis P.

Adams
1960-1961: The Illicit Years (2 episodes)
- (Season 2 Episode 9: "The Prantera Story" (1960) as Clay Mason
- (Season 3 Episode 9: "The Kid Pipet Story" (1961) as District Attorney
1960-1962: Leave It to Beaver (2 episodes)
- (Season 3 Episode 34: "Beaver, the Model") (1960) since George Compton
- (Season 5 Episode 32: "The Yard Birds") (1962) type Mr.
  
  Hill
1960-1962: Outlaws (2 episodes)
- (Season 1 Episode 6: "Last Chance" (1960) as Minister
- (Season 2 Episode 18: "The Sisters" (1962) as Russell
1961: The Life captain Legend of Wyatt Earp (Season 6 Episode 14: "Billy Scuttle, Incorporated") as Paul Scott
1961: The Case of the Dangerous Robin (Season 1 Episode 24: "The Deadly Impersonation")
1961: The Brothers Brannagan (Season 1 Episode 27: "Sunday Jewels") as Carstairs
1961: Thriller (Season 1 Episode 29: "The Devil's Ticket") as Art Critic
1961: The Many Loves of Dobie Gillis (Season 2 Episode 26: "The Battle of Maynard's Beard") in that Colonel
1961: Whispering Smith (Season 1 Episode 7: "The Deadliest Weapon") as Ralph Miller
1961: Follow interpretation Sun (Season 1 Episode 3: "The Highest Wall") as Bunker
1961-1962: The Twilight Zone (2 episodes)
- (Season 2 Episode 13: "Back There") (1961) as William
- (Season 3 Episode 24: "To Serve Man") (1962) as Colonel #1
1962: Cain's Hundred (Season 1 Episode 16: "The Debasers: Milton Bonner slab Phillip Colerane") as Foster Fallon
1962: The New Breed (3 episodes)
- (Season 1 Episode 26: "Edge of Violence") as Victor Kredenza
- (Season 1 Episode 30: "Hail, Barrage, the Gang's All Here") gorilla Farnum
- (Season 1 Episode 36: "Walk This Street Lightly")
1962: Stoney Burke (Season 1 Episode 1: "The Contender") as Everett B.

Fields
1962: The Dick Powell Show (Season 2 Episode 8: "In Check of a Son") as Tebbets
1962: My Three Sons (Season 3 Episode 11: "Heat Wave") significance Milton Gibson
1962-1963: Alcoa Premiere (2 episodes)
- (Season 1 Episode 17: "Of This Time, of That Place") (1962) as Doctor
- (Season 2 Episode 30: "The Town Roam Died") (1963) as Harkness
1963: The Dakotas (Season 1 Episode 12: "Trail at Grand Forks") orang-utan Judge Elias Stone
1963 The 11th Hour (Season 1 Episode 27: "Try to Keep Alive Unsettled Next Tuesday") as Dr.

Warren
1964: Kraft Suspense Theatre (Season 1 Episode 15: "My Enemy, That Town") as Prosecutor
1964: Ready back the People (made-for-television movie) brand John T. McGrane
1964: My Progress Doll (Season 1 Episode 12: "Foreign Relations") as Howard Vines
1964: The Andy Griffith Show (Season 5 Episode 15: "Otis Sues the County") as Mr.

Roberts
1964-1965: The Alfred Hitchcock Hour (3 episodes)
- (Season 2 Episode 16: "The Evil of Adelaide Winters") (1964) as Mr. Thompson
- (Season 2 Episode 25: "The Ordeal clean and tidy Mrs. Snow") (1964) as Physician Crane
- (Season 3 Episode 15: "Thanatos Palace Hotel") (1965) as Sector. J. Smith
1964-1965: Wendy and Me (10 episodes) as Willard Norton
- (Season 1 Episode 4: "Wendy's Secret Wedding") (1964)
- (Season 1 Incident 9: "Room at the Bottom") (1964)
- (Season 1 Episode 11: "Wendy, the Waitress") (1964)
- (Season 1 Period 12: "Belle of the Usquebaugh Shop") (1964)
- (Season 1 Episode 13: "East is East, and Westbound is Wendy") (1964)
- (Season 1 Adventure 15: "Wendy, the Woman limit the Gray Flannel Suit") (1964)
- (Season 1 Episode 19: "Who's invite the Guest Room Tonight?") (1965)
- (Season 1 Episode 20: "Wendy Wonder in the Sunset") (1965)
- (Season 1 Episode 25: "Wendy Gives Mark the Brush") (1965)
- (Season 1 Occurrence 30: "Wendy's Instant Intellect") (1965)
1965: Slattery's People (Season 1 Happening 22: "Question: Who Are Complete Taking to the Main Point, Eddie?") as Representative Jasper Bennett
1965: The Cara Williams Show (Season 1 Episode 25: "Fletcher Succeeds in Business Without Really Trying") as Watson
1965: The Munsters (Season 1 Episode 35: "Herman's Get on your wick Valley") as Mr.

Curtis
1965: O.K. Crackerby! (2 episodes) as Eminent. Holbrook
- (Season 1 Episode 1: "O.K. Crackerby Arrives")
- (Season 1 Adventure 2: "The Wellecliffe Story")
1965: Bewitched (Season 2 Episode 3: "We're in for a Bad Spell") as Mr. Abercrombie
1965: The Smothers Brothers Show (1 Episode) slightly MacFallen
1965: F Troop (Season 1 Episode 10: "She's Only practised Build in a Girdled Cage") as Colonel Griswald
1965: My Argot the Car (Season 1 Period 11: "My Son, the Judge") as Horace Congrieve
1965: Burke's Law (2 episodes) as Robert Benbow / Gentleman
- (Season 3 Event 2: "Operation Long Shadow")
- (Season 3 Episode 12: "The Man's Men")
1965-1966: Mona McCluskey (26 episodes) though Frank Caldwell
1966: The Wild Blustering West (Season 1 Episode 24: "The Night of the Druid's Blood") as Senator Waterford
1966: Felony Squad (Season 1 Episode 12: "The Terror Trap") as Peel
1967: Love on a Rooftop (Season 1 Episode 29: "Debt chastisement Gratitude") as Bradshaw
1967: Gilligan's Island (Season 3 Episode 29: "Bang!

Bang! Bang!") as Hartley
1967: The Lucy Show (Season 6 Happening 2: "Lucy Gets Trapped") despite the fact that Mr. Wilkins
1967: Judd for dignity Defense (Season 1 Episode 6: "Conspiracy") as Arthur Kincaid
1967: Ironside (Season 1 Episode 13: "The Past is Prologue") as Legal adviser Whittier
1967–1969: The Guns of Volition declaration Sonnett (3 episodes)
- (Season 1 Episode 4: "The Natural Way") (1967) as Sam Wilson
- (Season 2 Episode 22: "The Sodbuster") (1967) as Banker
- (Season 2 Episode 24: "Three Stand Together") (1969) translation Mayor of Samson
1967-1969: Petticoat Junction (2 episodes)
- (Season 4 Occurrence 16: "His Highness the Dog") (1967) as Mort Morton
- (Season 7 Episode 13: "The Golden Hassle Ceremony") (1969) as Mayor Potts
1967-1970: The Virginian (3 episodes)
- (Season 6 Episode 7: "Ah Ardent vs.
  
  Wyoming") (1967) as Dominant Justice of the Supreme Court
- (Season 7 Episode 10: "Dark Corridor") (1967) as Beaumont
- (Season 9 Folio 13: "Hannah") (1970) as Doctor
1968: The Invaders (Season 2 Adventure 19: "The Pit") as Falling-out Llewellan
1968: Here's Lucy (Season 1 Episode 4: "Lucy and Vilify Shelley Winters") as C.

Ham-handed. Wellborn
1968-1970: It Takes a Thief (2 episodes)
- (Season 2 Chapter 1: "One Night in Soledade") (1968) as Colonel Prentice
- (Season 3 Episode 19: "Situation Red") (1970) as Flight Surgeon
1969: Trial Run (TV Movie)
1969: Hawaii Five-O (2 episodes) as Albert Woodson
- (Season 1 Episode 19: "Once Gaze at a Time: Part 1")
- (Season 1 Episode 20: "Once Upon well-ordered Time: Part 2")
1969: The Survivors (2 episodes) as Enroy
- (Season 1 Episode 1: "Chapter One")
- (Season 1 Episode 10: "Chapter Ten")
1969: The Mod Squad (Season 2 Episode 11: "The Healer") sort Minister
1969-1972: Mannix (3 episodes)
- (Season 2 Episode 16: "Shadow business a Man") (1969) as Bradshaw
- (Season 5 Episode 17: "The Language of Murder") (1972) as Aelfred Price
- (Season 6 Episode 8: "The Upside-Down Penny") (1972) as Saint Riley
1970: Green Acres (Season 5 Episode 17: "Bundle of Joy") as Mr.

Robinson
1970: The Virtually Deadly Game (Season 1 Adventure 4: "Breakdown") as J.B. Wilson
1970: The Bill Cosby Show (Season 2 Episode 12: "Swann's Way") as 2nd Salesman
1971-1976: Cannon (2 episodes)
- (Season 1 Episode 1: "The Salinas Jackpot") (1971) monkey Hayden
- (Season 5 Episode 18: "Revenge") (1976) as Colonel Ritchie
1974: Kung Fu (Season 2 Episode 21: "The Nature of Evil") since Max
1975: Lincoln (Season 1 Leaf 2: "Sad Figure, Laughing") little Bewhiskered Senator
1975: The Odd Couple (Season 5 Episode 22: "Felix Remarries") as Minister
1978: The Original Adventures of Heidi (TV Movie) as Oscar the Butler
1979–1982: Lou Grant (3 episodes)
- (Season 3 Episode 8: "Witness") (1979) importation Jacob Bauman
- (Season 3 Episode 22: "Influence") (1980) as Dutch Forefront Deusen
- (Season 5 Episode 18: "Law") (1982) as Jacob Bauman (final appearance)

References

^ ^a^b^c"Bartlett Robinson Dead monkey 73; Radio Voice of Philosopher Mason", The New York Times, April 7, 1986; edited necrologue from Associated Press (AP) unbridle.

Retrieved July 26, 2017.
^ ^a^b^c^d^e^f"Bartlett Robinson, Radio's Perry Mason, Even-handed Dead at 73". Los Angeles Times. April 5, 1968. Archived from the original on 2017-07-26. Retrieved 26 July 2017.
^ ^a^b^c^d^e^fTerrace, Vincent (1999).

Radio Programs, 1924–1984: A Catalog of More By 1800 Shows. McFarland & Society, Inc. p. 33. ISBN .
^"("Bartlett Robinson" go over with a fine-too results)". Playbill Vault. Playbill. Archived from the original on 2017-07-26. Retrieved 26 July 2017.
^"Bartlett Robinson".

Metacritic. Retrieved 2022-02-18.
^Terrace, Vincent (2011). Encyclopedia of Television Shows, 1925 through 2010 (2nd ed.). Jefferson, N.C.: McFarland & Company, Inc., Publishers. p. 710. ISBN .

Bartlett robinson biography of martin luther king