Ron Cobb

Ronald Ray Cobb (September 21, 1937 – September 21, 2020) was an American-Australian cartoonist, artist, and movie designer. Cobb was born in Los Angeles, California. 
He worked on many movies such as "Dark Star" (1974), "Star Wars" (1977), "Alien" (1979), "Raiders of the Lost Ark" (1981), "Conan the Barbarian" (1982), "Back to the Future" (1985), "The Abyss" (1989), and "Total Recall" (1990). 
Life and career.
In his 18, Ronald was working as an artist for Disney Studios in Burbank, California. He became a breakdown artist on the "Sleeping Beauty" (1959). After his completing "Sleeping Beauty" in 1957, Disney laid Cobb off. After that he worked as a mail carrier, assembler in a door factory and served in army.
In 1969 Ronald designed the Ecology symbol, which then turned into the Ecology Flag.
Cobb died on September 21, 2020 in Sydney from Lewy body dementia on his 83rd birthday.