Ray Nelson (1930–)
Ray Nelson is an American science fiction author and cartoonist, perhaps best known for co-writing the novel "The Ganymede Takeover" with Philip K. Dick. He is also recognized for creating the iconic "peace symbol" (also known as the CND symbol) in 1958. Nelson's science fiction often explores themes of alien invasion and societal change, frequently with a satirical or darkly humorous bent.