Biography:

Bernard Albert Wrightson (October 27, 1948 – March 18, 2017) was an American artist, known for co-creating Swamp Thing, his adaptation of the novel Frankenstein illustration work, and for his other horror comics and illustrations, which feature his trademark intricate pen and brushwork. Description above from the Wikipedia article Bernie Wrightson, licensed under CC-BY-SA, full list of contributors on Wikipedia.