Ralph Simington was 67 when he disappeared from the Bowness area of Calgary on the evening of June 15, 2012. He went for a walk around 9:30 p.m. and never returned. The disappearance was out of character and his family noted medical vulnerabilities: he had previously had a stroke that left him with a slight limp, was very hard of hearing and used hearing aids, wore glasses, and did not have his necessary medication with him.

The Calgary Police Service treated the case as a missing persons investigation with no suspicion of foul play. Family, friends and volunteers conducted extensive searches, including along the banks of the Bow River, and the public provided tips and support, including Facebook pages created on his behalf. A public memorial was held on June 15, 2013, one year after he vanished. The investigation remains open.

If anyone saw Ralph in the Bowness area on June 15, 2012, or has information about his movements that evening, please share what is known.