English: 1890 photograph of Baltimore dentist, physician, academic, and baritone B. Merrill Hopkinson. Hopkinson was a Professor of Oral Hygiene and Dental History at the University of Maryland, and was published in many medical journals. He was also active as a baritone singer in Baltimore.
Date
Source
Front cover of The Musical Courier, March 12, 1890
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Captions
Baltimore dentist, physician, academic, and baritone B. Merrill Hopkinson,