About Gill Hewlett Gil Hewlett joined the Vancouver Aquarium as the resident biologist in 1964. He has helped train many of the Aquarium's whales, including Skana and Hyak. Hewlett retired from the position of Assistant Director of Special Projects in March 2006. Books by Gill Hewlett Operation Orca Springer, Luna and the Struggle to Save West Coast Killer Whales by (author) Daniel Francis & Gill Hewlett
