Largely on the basis of the works of the last three years of his life, van Gogh is generally considered one of the greatest Dutch painters of all time. His work exerted a powerful influence on the development of much modern painting, in particular on the works of the Fauve painters, Chaim Soutine, and the German Expressionists. Yet of the more than 800 oil paintings and 700 drawings that constitute his life’s work, he sold only one in his lifetime. Always desperately poor, he was sustained by his faith in the urgency of what he had to communicate and by the generosity of Theo, who believed in him implicitly. The letters that he wrote to Theo from 1872 onward, and to other friends, give such a vivid account of his aims and beliefs, his hopes and disappointments, and his fluctuating physical and mental state that they form a unique and touching biographical record that is also a great human document.
Van Dyke's start in television was with WDSU-TV New Orleans Channel 6 (NBC), first as a single comedian and later as emcee of a comedy program. Van Dyke's first network TV appearance was with Dennis James on James' Chance of a Lifetime in 1954. He later appeared in two episodes of The Phil Silvers Show during its 1957–58 season. He also appeared early in his career on ABC's The Pat Boone Chevy Showroom and NBC's The Polly Bergen Show. During this time a friend from the Army was working as an executive for CBS television and recommended Van Dyke to that network. Out of this came a seven-year contract with the network. During an interview on NPR's Wait Wait... Don't Tell Me! program, Van Dyke said he was the anchorman for the CBS morning show during this period with Walter Cronkite as his newsman.
The self-portraits reflect an unusually high degree of self-scrutiny. Often they were intended to mark important periods in his life, for example the mid-1887 Paris series were painted at the point where he became aware of Claude Monet, Paul Cezanne and Signac. In Self-Portrait with Grey Felt Hat, heavy strains of paint spread outwards across the canvas. It is one of his most renowned self-portraits of that period, "with its highly organized rhythmic brushstrokes, and the novel halo derived from the Neo-impressionist repertoire was what Van Gogh himself called a 'purposeful' canvas".