Bjarni Valdimar Tryggvason (born September 21, 1945) is an Icelandic-born Canadian engineer and a former NRC/CSA astronaut. He served as a Payload Specialist on Space Shuttle mission STS-85 in 1997, a 12-day mission to study changes in the Earth's atmosphere.
The Canadian Space Agency was established by the Canadian Space Agency Act which received Royal Assent on May 10, 1990. The Canadian space program is administered by the Canadian Space Agency. Canada has contributed technology, expertise and personnel to the world space effort, especially in collaboration with ESA and NASA. In addition to its astronauts and satellites, some of the most notable Canadian technological contributions to space exploration include the Canadarm on the Space Shuttle and Canadarm2 on the International Space Station.