Stewart, Sarah

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Stewart, Sarah Gender: F
Sarah Elizabeth Stewart
born on 16 August 1905 at 04:00 (= 04:00 AM )
Place Tecalitlán, Mexico, 19n26, 103w15
Timezone LMT m103w15 (is local mean time)
Data source
BC/BR in hand
Rodden Rating AA
Collector: Scholfield
Astrology data s_su.18.gif s_leocol.18.gif 22°53' s_mo.18.gif s_piscol.18.gif 07°54 Asc.s_cancol.18.gif 29°29'

Sarah Stewart (1971)


Mexican-American researcher who pioneered the field of viral oncology research, the first to show that cancer-causing viruses can spread from animal to animal. She and Bernice Eddy co-discovered the first polyoma virus, and Stewart-Eddy polyoma virus is named after them.

Born to a Mexican mother and American engineer father, she moved back to the United States at the age of 5. She did her undergraduate work at the New Mexico State University, graduating with a Bachelor of Science in 1927. She went on to earn a master's degree from the University of Massachusetts Amherst in 1930 and a Ph.D in microbiology from the University of Chicago in 1939. In 1949, she became the first woman to be awarded an MD Degree from Georgetown University School of Medicine.

Stewart joined the National Institutes of Health (NIH) from 1935-1944 while completing her PhD at the University of Chicago. She went on to teach microbiology at Georgetown University's School of Medicine, and once women were allowed to enroll, she became their first female graduate at the age of 39. Stewart returned to the NIH in 1951, joining the National Cancer Institute (NCI), and eventually becoming medical director.

Stewart developed an interest in researching viral links to cancer in light of the pioneering research of Jonas Salk in developing a vaccine for the virus which caused polio. Stewart is credited with discovering the Polyomavirus in 1953. She and research partner, Dr. Bernice E. Eddy, were successful in growing the virus in 1958 and the SE (Stewart-Eddy) polyoma virus is named after them. Stewart was the first to successfully demonstrate that viruses causing cancer could be spread from animal to animal. She left the NIH to become professor at Georgetown University in 1971.

Stewart died of cancer at her home in New Smyrna Beach, Florida on 27 November 1976, aged 71.

Link to Wikipedia biography


  • Work : Great Achievement 1953 (Discovered the Polyomavirus)

Source Notes

Sy Scholfield provided birth registry entry from Jalisco state archives.


  • Traits : Mind : Education extensive (PhD in microbiology)
  • Diagnoses : Major Diseases : Cancer (Terminal)
  • Lifestyle : Home : Expatriate (Mexican emigrant to USA, age 5)
  • Personal : Death : Illness/ Disease (Cancer)
  • Vocation : Education : Researcher (Viral oncology)
  • Vocation : Education : Teacher (Professor)
  • Vocation : Medical : Physician
  • Vocation : Science : Biology (Virologist)
  • Notable : Famous : Founder/ originator (Discovered the Polyomavirus)