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 on Canoe Lake in Algonquin Park.
his paintings are primarily imagination based, he sought some natural feature corresponding with his pre-existing ideas or painted landscapes in his Toronto studio from memory. stylised tree branches and areas of strong colour.