Evelyn Beatrice Longman (November 21, 1874-March 10, 1954) was an American sculptor of allegorical figures, monuments, and memorials.
Biography on Wikipedia: https://en.wikipedia.org/wiki/Evelyn_Beatrice_Longman

Hood Memorial aka Hoyt Memorial by Evelyn Beatrice Longman
Source: Metropolitan Museum of Art Study Collection of American Sculpture Photographs, Photograph Archives, Smithsonian American Art Museum

Evelyn Beatrice Longman on Artnet: http://www.artnet.com/artists/evelyn-beatrice-longman/

Further reading:
https://nationalacademy.emuseum.com/people/281/evelyn-beatrice-longman
https://dsmpublicartfoundation.org/artist/evelyn-beatrice-longman/
https://issuu.com/loomischaffee/docs/evelyn_beatrice_longman