After the
Pearl Harbor attack, around 1943, Lyon dropped out of college and enrolled in the
United States Navy with the intention of becoming a pilot, After the war he lived in New York City, working as a fashion photographer. In the 1950s, Lyon socialized with
Richard Diebenkorn and other painters within the
Bay Area Figurative Movement. He would take photographs of San Francisco landmarks including the Golden Gate Bridge, Coit Tower, hotels in Nob Hill and cityscapes, which were often highlighting the fog. Lyon had a love of both old San Francisco, as well as the newer version of the city. Lyon also had a special interest in photographing vineyards and wineries in nearby Napa and Sonoma. In 2013, the film documentary
Fred Lyon: Living Through the Lens was made by filmmaker Michael House. His last photo was taken when he was in his 90s in 2017 of the 500 Club bar sign in the
Mission District. == Personal life and death ==