Ivan Graeme Ferguson CM (October 7, 1929 – May 8, 2021) was a Canadian filmmaker and inventor who co-invented the IMAX film format. He was appointed to the Order of Canada in 1992.
Biography：Ivan Graeme Ferguson CM (October 7, 1929 – May 8, 2021) was a Canadian filmmaker and inventor who co-invented the IMAX film format. He was appointed to the Order of Canada in 1992.
