Jaskarn Singh “Sid” Sidhu (1938-2025) joined the Royal Astronomical Society of Canada, Victoria Centre, in 1985, and has been a mentor for new members. He coordinated the loan of Centre-owned telescopes and the club's schools program. Sid was awarded the RASC President's Award in 2010 for his leadership during the International Year of Astronomy.

Reference: WGSBN Bulletin, Volume 2, Number 2, page 6

Hanno Rein (b. 1983) is a German dynamicist and associate professor at the University of Toronto. He develops numerical methods for integrating the motions of gravitationally interacting systems, both within our Solar System and beyond. Rein created the widely used REBOUND N-body package and the iOS outreach app Exoplanet and Mega Constellations, an orbit simulator for satellites. His home page is here.

Type: Main-Belt

Reference: WGSBN Bulletin, Volume 3, Number 3, Page 10

Scott Harlow (1963–2020) was an amateur astronomer in British Columbia, Canada, who joined RASC Sunshine Coast Centre in 2011, served as club librarian and on the Board of Directors, and worked at many club meetings and outreach events. He was particularly active as a volunteer at the club's observatory and coordinated donations of telescopes to the club.

Reference: WGSBN Bulletin, Volume 2, Number 16, page 5

Joshua Kutryk (b.1982-03-21 in Fort Saskatchewan, Alberta) studied mechanical engineering at the Royal Military College of Canada in Kingston, Ontario, and earned master's degrees from Embry-Riddle Aeronautical University and the United States Air Force Air University. He worked on flight-testing and pilot instruction before being selected as an astronaut by the Canadian Space Agency in 2017. His official CSA biography is here.

Reference: WGSBN Bulletin, Volume 2, Number 16, page 5

David Takayoshi Suzuki (b. 1936) is a Canadian geneticist and science communicator. Suzuki studied at Amherst College, earned his PhD in zoology from the University of Chicago and was a professor at the University of British Columbia. He hosted the radio program Quirks & Quarks and the television series The Nature of Things, and has won the Kalinga Prize.

Reference: WGSBN Bulletin, Volume 3, Number 15, page 10

Orbit type: Main Belt

Gary Seronik (b. 1961) is a Canadian astronomer, photographer and writer. He presented and produced shows at the H.R. MacMillan Space Centre in Vancouver, won the RASC Simon Newcomb Award in 2008 and was editor of the Canadian SkyNews magazine. At Sky & Telescope magazine, Seronik has worked as associate editor, contributing editor and consulting editor.

Reference: WGSBN Bulletin, Volume 3, Number 15, page 10

Orbit type: Main Belt

Ivan Alexander Semeniuk (b. 1964) is a Canadian science writer who specializes in astronomy and space. Semeniuk studied at the University of Toronto and did a Master's in Science Journalism at Boston University. He was a Knight Fellow at MIT and has worked for the Ontario Science Centre, the Globe & Mail, Nature, New Scientist, and the Discovery Channel.

Reference: WGSBN Bulletin, Volume 3, Number 15, page 10

Orbit type: Main Belt

Nicole Mortillaro (b. 1972) is a Canadian science journalist and amateur astronomer. She received a journalism degree from Ryerson University in 1996, and has since worked for Global News television network and the Canadian Broadcasting Corporation. She became editor of the Journal of the RASC in 2015 and shared the Kavli Science Journalism Award in 2021.

Reference: WGSBN Bulletin, Volume 3, Number 15, page 10

Orbit type: Main Belt