In the wake of his death, co-workers, friends and fans across the country took to social media to mourn the Steven and Chris co-host. In an interview on CBC Radio's Metro Morning, Hyndman's friend Jeanne Beker credited him with saving her life when she struggled through a period of deep depression.
CBC invites you to share your memories and condolences with Hyndman's family and other Canadians.
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If you have any photos or videos, share them with us at yournews.cbc.ca/upload.
You can also leave messages on our Facebook page, or send them to us via Twitter to @CBCTrending.
The messages will be gathered in a story here.
A physical memorial has also been set up in the atrium of the Canadian Broadcasting Centre in Toronto for anyone wishing to leave messages, mementos or flowers.