Celebrating Black HERstory in Chemistry: Marie Maynard Daly

Written By Alexandra Buga

Marie Maynard Daly (April 16, 1921 – October 28, 2003) an American biochemist.

Marie Maynard Daly (April 16, 1921 – October 28, 2003) was an American biochemist. She was the first African-American woman in the United States to earn a Ph.D. in chemistry (1947, Columbia University).  

Daly made significant contributions to science, particularly in the areas of:

  • Protein synthesis: Daly investigated the role of RNA in protein synthesis and how protein metabolism changes under different conditions.

  • Cell nucleus: She studied the composition and function of proteins within the cell nucleus, including histones, which play a role in gene expression.

  • Cardiovascular disease: Daly’s research explored the relationship between cholesterol, hypertension, and atherosclerosis.  

Daly was also committed to increasing diversity in science and mentored numerous students throughout her career.

Alexandra Buga
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