Brain,Behavior and Evolution
Editor-in-Chief: R. Glenn Northcutt, La Jolla, Calif.
Reprint
Publisher: S.KargerAG, Basel
Printed in Switzerland
Steven J. Zottoli
Ernst-August Seyfarzh ~
Department of Biology, Williams College,
Williamstown, Mass., and
Marine Biological Laboratory,
Woods Hole, Mass., USA;
e Zoologisches Institut der J.W. Goethe-
Universitat, Frankfurt am Main, Germany,
and Marine Biological Laboratory,
Woods Hole, Mass., USA
Key Words
Julia B. Platt
Comparative embryology
Neuroscience
XIXth century women in science
Female pioneers in neuroscience
Civic leader
History of biology
Biography
Original Paper
Brain Behav Evol 1994;43:92—]06
Julia B.Platt (1857-19351:
Pioneer Comparative Embryologist
and Neuroscientist
Abstract
Julia Barlow Platt was a comparative embryologist and neurobiologist who was
primarily interested in segmentation of the head in vertebrates. She was born on
September 14, 1857 in San Francisco, California. Platt grew up in Burlington,
Vermont, attended the University of Vermont and began graduate studies at Har-
vard University. Her nine years as a graduate student were spent on two conti-
nents with some of the most influential comparative zoologists of the time.
Platt's remarkable scientific accomplishments over a ten year period include a
description of axial segmentation currently used in the staging of chick embryos
and the first description of a separate anterior head segment in Squalus embryos.
Her most controversial study identified ectodermal cells in Nectu>-us embryos
that gave rise to head cartilage and dentine, a discovery which was the impetus
for the reassessment and modification of the germ layer concept. She was one of
the first women to `matriculate' at a German university and receive a Ph.D.
degree. Platt played a pioneer role in opening opportunities for other women
who followed her.
Platt was one of the first women neuroscientists. Among her contributions,
she distinguished dorsolateral placodes, epibranchial placodes, and the first
stages of lateral line organs in Necturus, and she described nerve fibers originat-
ing in the spinal cord and extending to the notochord in Branchiostoma
(= Amphioxus).
After receiving a Ph.D. degree in Freiburg, Germany in 1898, Platt was
unable to secure a suitable teaching position and, as a result, her scientific career
came to an end. She retired to Pacific Grove, California, where she pursued civic
duty with the same vigor and energy she had dedicated to scientific research.
We provide a sketch of her remarkable life and work as a comparative
embryologist, neuroscientist and civic leader.
Steven J. Zottoli
Department of Bioloey
Williams College
Williamstown, MA 01267 (USA)
© 1994 S.KargerAG,Base]
0006-8977/94/0432-0092
$ 5.00/0
, OCR Text: Brain,Behavior and Evolution
Editor-in-Chief: R. Glenn Northcutt, La Jolla, Calif.
Reprint
Publisher: S.KargerAG, Basel
Printed in Switzerland
Steven J. Zottoli
Ernst-August Seyfarzh ~
Department of Biology, Williams College,
Williamstown, Mass., and
Marine Biological Laboratory,
Woods Hole, Mass., USA;
e Zoologisches Institut der J.W. Goethe-
Universitat, Frankfurt am Main, Germany,
and Marine Biological Laboratory,
Woods Hole, Mass., USA
Key Words
Julia B. Platt
Comparative embryology
Neuroscience
XIXth century women in science
Female pioneers in neuroscience
Civic leader
History of biology
Biography
Original Paper
Brain Behav Evol 1994;43:92—]06
Julia B.Platt (1857-19351:
Pioneer Comparative Embryologist
and Neuroscientist
Abstract
Julia Barlow Platt was a comparative embryologist and neurobiologist who was
primarily interested in segmentation of the head in vertebrates. She was born on
September 14, 1857 in San Francisco, California. Platt grew up in Burlington,
Vermont, attended the University of Vermont and began graduate studies at Har-
vard University. Her nine years as a graduate student were spent on two conti-
nents with some of the most influential comparative zoologists of the time.
Platt's remarkable scientific accomplishments over a ten year period include a
description of axial segmentation currently used in the staging of chick embryos
and the first description of a separate anterior head segment in Squalus embryos.
Her most controversial study identified ectodermal cells in Nectu>-us embryos
that gave rise to head cartilage and dentine, a discovery which was the impetus
for the reassessment and modification of the germ layer concept. She was one of
the first women to `matriculate' at a German university and receive a Ph.D.
degree. Platt played a pioneer role in opening opportunities for other women
who followed her.
Platt was one of the first women neuroscientists. Among her contributions,
she distinguished dorsolateral placodes, epibranchial placodes, and the first
stages of lateral line organs in Necturus, and she described nerve fibers originat-
ing in the spinal cord and extending to the notochord in Branchiostoma
(= Amphioxus).
After receiving a Ph.D. degree in Freiburg, Germany in 1898, Platt was
unable to secure a suitable teaching position and, as a result, her scientific career
came to an end. She retired to Pacific Grove, California, where she pursued civic
duty with the same vigor and energy she had dedicated to scientific research.
We provide a sketch of her remarkable life and work as a comparative
embryologist, neuroscientist and civic leader.
Steven J. Zottoli
Department of Bioloey
Williams College
Williamstown, MA 01267 (USA)
© 1994 S.KargerAG,Base]
0006-8977/94/0432-0092
$ 5.00/0
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