Bolton Hill in Baltimore, Maryland — The American Northeast (Mid-Atlantic)

Christine Ladd-Franklin, Ph.D.

1847-1930

Photographed By Bill Pfingsten, August 15, 2020

1. Christine Ladd-Franklin, Ph.D. Marker

Inscription. A logician, mathematician, and psychologist, she developed a new theory of color vision. She was the first woman to complete Ph.D. requirements at Johns Hopkins, in 1882, although because of her gender, the University did not confer the degree until 1926. She was one of the first female members of the American Psychological Association and the Optical Society of America

Erected 2020 by Boulton Hill Historic District.

Topics and series. This historical marker is listed in these topic lists: Science & Medicine • Women. In addition, it is included in the Maryland, Bolton Hill Historic District series list. A significant historical year for this entry is 1882.

Location. 39° 18.479′ N, 76° 37.532′ W. Marker is in Baltimore, Maryland. It is in Bolton Hill. Marker is on Park Avenue. Touch for map. Marker is at or near this postal address: 1507 Park Avenue, Baltimore MD 21217, United States of America. Touch for directions.

Other nearby markers. At least 8 other markers are within walking distance of this marker. Thomas Bourne Turner, M.D. (within shouting distance of this marker); Otto Frederick Kraushaar, Ph.D. (about 300 feet away, measured in a direct line); Frances Morton Froehlicher (about 400 feet away); Hans Froehlicher, Jr. (about 400 feet away); Franklin P. Mall, M.D. (about 400

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feet away); Garry Moore (about 500 feet away); Jacob J. Abel, M.D. (about 500 feet away); Curt Richter, Ph. D. / Gary Moore (about 700 feet away). Touch for a list and map of all markers in Baltimore.

Photographed By Bill Pfingsten, August 15, 2020

2. Christine Ladd-Franklin, Ph.D. Marker

Credits. This page was last revised on August 16, 2020. It was originally submitted on August 16, 2020, by Bill Pfingsten of Bel Air, Maryland. This page has been viewed 158 times since then and 13 times this year. Photos: 1, 2. submitted on August 16, 2020, by Bill Pfingsten of Bel Air, Maryland.