Portrait of Frank Hall Knowlton

Frank Hall Knowlton

Frank Hall Knowlton was an American botanist, ornithologist and naturalist. Born in Vermont, he joined the Geological Survey and took an interest in fossil plants in the local lignite, later becoming a specialist in paleobotany.

Average Book Rating
4.0
Aggregate review score sourced from Goodreads
5
200
4
200
3
200
2
200
1
200
Total Book Reviews
10.0k
Total reviews from Goodreads may change
Categories