Predeceased by his wife Bonnie Clark, his daughter Laura Beck and his brother Markus Tesic.
Graduate of Laurentian University in 1964, then University of Toronto in 1986. Horst was a beloved chemistry teacher, student council advisor, Olympics of the Mind coach and sports coach at Algonquin Secondary School, West Ferris Secondary School and Northern Secondary School over his 33-year career in education. One of his proudest teaching moments was achieving a 17th place worldwide in Olympics of the Mind with the Northern Secondary School team in their 1st year of competition.
An avid gardener, scheming prankster, skilled woodworker, square dancer, and traveler. Horst will be remembered for his generosity. Horst lit up every room he entered and never missed an opportunity to make a new friend.
As expression of sympathy, donations can be made directly to the Canadian Cancer Society.
Messages and condolences may be left for the family at www.tricitycremations.com or 519.772.1237. Please visit Horst's obituary notice on Facebook.