High Quality Content by WIKIPEDIA articles! Thomas John Thomson (August 5, 1877 – July 8, 1917), also known as Tom Thomson, was an influential Canadian artist of the early 20th century. He directly influenced a group of Canadian painters that would come to be known as the Group of Seven, and though he died before they formally formed, he is sometimes incorrectly credited as being a member of the group itself. Thomson died under mysterious circumstances, which added to his mystique.