Career
Born in Halifax, Nova Scotia, he became curator and later director of the Nova Scotia Museum in 1940, succeeding Harry Piers. He served at the museum for 25 years focusing on the growth of its science collection until his departure in 1965. After World World War II, Crowdis spearheaded an effort which led to the construction of the Halifax Memorial Library in 1951 (now the Spring Garden Road Memorial branch of the Halifax Public Libraries system).
He was a host of the popular Canadian Broadcasting Company television series The Nature of Things in its early years.
Crowdis was one of the last living survivors of the Halifax Explosion. He wrote a blog named Don To Earth Again, making him one of the world"s oldest bloggers.
In 2008, Crowdis was inducted into the Nova Scotia Discovery Centre Hall of Fame.
