David Goodis at his typewriter. Image from Jon Winokur’s “Advice to Writers”
What a writer’s desk! A manual typewriter (Royal? I think so); a fountain pen and a bottle of ink; a solid cigarette lighter and a half-full ashtray. Judging by the papers on the desk, I’d say he’s working on a screenplay (from the format), and the buildings outside the window look a lot like the Warner Bros. studio lot.
Jon Winokur’s Tweet with noir novelist David Goodis at his typewriter noted Somerset Maugham’s classic statement about writing novels:
There are three rules for writing a novel. Unfortunately, no one knows what they are.
Did Winokur think the photo was of Maugham? (I found the photo also at an article on Maugham at Oz.Typewriter; I left a comment for Robert Messenger.)
Who is David Goodis? He wrote Dark Passage, which is probably famous mostly for the movie version starring a young Humphrey Bogart.
David Loeb Goodis (March 2, 1917 – January 7, 1967) was an American writer of crime fiction, noted for his prolific output of short stories and novels epitomizing the noir fiction genre. A native of Philadelphia, Goodis alternately resided there and in New York City and Hollywood during his professional years. Yet, throughout his life he maintained a deep identification with the city of his birth, Philadelphia. Goodis cultivated the skid row neighborhoods of his home town, using what he observed to craft his hard-boiled sagas of lives gone wrong, realized in dark portrayals of a blighted urban landscape teeming with criminal life and human despair.
“Despite his [university] education, a combination of ethnicity (Jewish) and temperament allowed him to empathize with outsiders: the working poor, the unjustly accused, fugitives, criminals.” 
From 1939 to the middle of the 1940s, Goodis wrote perhaps 5 million words in stories for pulp fiction magazines, an output rivaled by few, if anyone. Unlike his contemporaries, Dashiell Hamett and Raymond Chandler, Goodis’s work escaped reprinting.
During the 1940s, Goodis scripted for radio adventure serials, including Hop Harrigan, House of Mystery, and Superman. Novels he wrote during the early 1940s were rejected by publishers, but in 1942 he spent some time in Hollywood as one of the screenwriters on Universal’s Destination Unknown. His big break came in 1946 when his novel Dark Passage was serialized in The Saturday Evening Post, published by Julian Messner and filmed for Warner Bros. with Humphrey Bogart and Lauren Bacall heading the cast. Delmer Daves directed what is now regarded as a classic film noir, and a first edition of the 1946 hardcover is valued at more than $800.
Arriving in Hollywood, Goodis signed a six-year contract with Warner Brothers, working on story treatments and scripts. In 1947, Goodis wrote the script for The Unfaithful, a remake of Somerset Maugham‘s The Letter. Some of his scripts were never produced, such as Of Missing Persons and an adaptation of Raymond Chandler‘s The Lady in the Lake. Working with director Delmer Daves, he wrote a screen treatment for a film, Up Till Now, which Daves described as “giving people a look at themselves and their [American] heritage”. This film too was never made but Goodis used some of its elements in his 1954 novel, The Blonde on the Street Corner.
Goodis is also credited with writing the screenplay to The Burglar, a 1957 film noir directed by Paul Wendkos that was based on his 1953 novel published by Lion Books. It was the only solely authored screenplay to be produced by him. The film was written and directed by Philadelphians, as well as being shot in Philadelphia. Dan Duryea and Jayne Mansfield were cast in the lead roles, and The Burglar still stands as one of the greatest heist films ever made. It was re-made in 1971 by Henri Verneuil as the French-Italian film Le Casse, starring Omar Sharif.