Photograph as originally submitted to this page in the Historical Marker Database www.HMdb.org. Click on photo to resize in browser. Scroll down to see metadata.
Dr. Seaman A. Knapp
Photographer: Internet Archive
Caption: Dr. Seaman A. Knapp
Additional Description: from The Demonstration Work; Dr. Seaman A. Knapp's Contribution to Civilization, by Oscar Baker Martin, 1921.
Submitted: July 5, 2019, by Allen C. Browne of Silver Spring, Maryland.
Database Locator Identification Number: p482374
File Size: 1.107 Megabytes

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