When Allen turned 65, he was told it was time to retire. The very next day, he was working full-time at STEMCELL, which had grown to more than 50 staff. Today, the company employs more than 2,500 people and sells its products and equipment globally.

There are moments you measure your life by, as in before and after. For Danny Sitnam, that day was late August in 1977. He was working as a line cook at the Owl and Oarsman up on a hill overlooking Vancouver.