Description
Professor of Mineralogy at the University of Toronto.
Related Subjects

The graph displays the other subjects mentioned on the same pages as the subject "Thomson, Joseph Ellis, 1882-1944". If the same subject occurs on a page with "Thomson, Joseph Ellis, 1882-1944" more than once, it appears closer to "Thomson, Joseph Ellis, 1882-1944" on the graph, and is colored in a darker shade. The closer a subject is to the center, the more "related" the subjects are.