In the late 1970s, he built what is considered the first off-road bicycle with a frame that was aluminum rather than steel, one of his many inventions ... .
He provided the first convincing evidence that cancerous tumors develop from a single mutated cell and later helped expose contamination by cells taken from Henrietta Lacks... .
A performance artist, dancer, choreographer, videographer, filmmaker and curator, he was a central figure in the downtown Manhattan experimental arts scene ... .
Self-taught, he became a go-to portraitist for politicians, rock stars and other celebrities. He also documented Indigenous people and inmates on death row ... .
He mapped the herpes simplex virus genome, revealing how it invades cells. His work also helped lay the groundwork for potential vaccines and gene therapies ... .
Nicknamed Russell the Muscle, he finished ninth in the decathlon at the 1964 Games. His mother, Alice Arden, placed the same as a high jumper in 1936 ... .