Delaphine Grace Wyckoff

Delaphine Grace Wyckoff
Born
Delaphine Grace Rosa

(1906-09-11)September 11, 1906
Beloit, Rock County, Wisconsin, United States
DiedJuly 28, 2001(2001-07-28) (aged 94)
Alma materMadison Central High School
University of Wisconsin–Madison
SpouseJohn Franklin Wyckoff (m. 1942)
Scientific career
Thesis The Variability of Caseolytic and Sucrose-Fermenting Characteristics of Certain Bacteria  (1938)

Delaphine Grace Wyckoff (née Rosa, September 11, 1906 – July 28, 2001) was an American microbiologist and educator.

Biography

Wyckoff was born on September 11, 1906, in Beloit, Rock County, Wisconsin, United States.[1][2] She had a brother, Ronald Chamberlin Rosa.[3] She married John Franklin Wyckoff on August 17, 1942.[3][4]

Education

Wyckoff was educated at Madison Central High School.[3] She then studied at the University of Wisconsin–Madison, graduating with a PhD in bacteriology in 1938.[1][2][3] Her thesis questioned the reliability of fermentation and proteolytic reactions and was titled "The Variability of Caseolytic and Sucrose-Fermenting Characteristics of Certain Bacteria."[5]

Career

After graduating, Wyckoff taught at an North Dakota State University of Agriculture and Applied Sciences (now North Dakota State University) in North Dakota for four years.[1] Wyckoff was then appointed associate professor of botany (Bacteriology) at Wellesley College, Massachusetts, later becoming Dean of Women at the institution.[3]

In 1955, Wycoff published A Laboratory Guide in General Bacteriology.[1] In 1960, Wycoff contributed to a film on Biological techniques, which was produced by Thorne Films in collaboration with the American Institute of Biological Sciences.[6]

Wyckoff was a member of the American Association for the Advancement of Science, the American Society of Microbiology, the Society of General Microbiology and the National Association of Biology Teachers.[1]

Death

Wyckoff died on July 28, 2001, and was buried at Stroudsburg Cemetery in Pennsylvania.[3]

References

  1. ^ a b c d e Ogilvie, Marilyn Bailey; Harvey, Joy Dorothy (2000). The Biographical Dictionary of Women in Science: L-Z. Taylor & Francis. p. 1411. ISBN 978-0-415-92040-7.
  2. ^ a b Who's who of American Women and Women of Canada. A.N. Marquis Company. 1968. p. 1352.
  3. ^ a b c d e f "Delaphine Wyckoff Obituary". Hartford Courant. August 8, 2001. Retrieved October 5, 2025.
  4. ^ The World Who's who of Women. Melrose Press. 1994. p. 617. ISBN 978-0-948875-36-6.
  5. ^ "Original Bacteriology PH.D Thesis by Delaphine Rosa, Univ of Wisconsin Student 1938 and Future Wellesley College Dean by [Women in Science], Bacteriology: Manuscript". Max Rambod Inc. Retrieved October 5, 2025.
  6. ^ "Biological techniques". Berkeley Art Museum and Pacific Film Archive (BAMPFA). June 19, 2018. Retrieved October 5, 2025.