Bernie Wrightson (1948–2017) was a comic book artist and the famed creator of Swamp Thing. He was educated at the Famous Artists School and soon after got a job working for the Baltimore Sun. He made the switch to comic books in 1968 with The House of Mystery and had a storied career in illustration, often working in the horror genre.
You can learn more about Wrightson at berniewrightson.com.