Margaret Augusta Jennings, Baroness Florey (2 December 1904, Swanbourne – 14 November 1994), née Margaret Augusta Fremantle,Ken Harris
The Swanbourne Fremantles
/ref> was a British scientist who was part of the group at the

University of Oxford , mottoeng = The Lord is my light , established = , endowment = £6.1 billion (including colleges) (2019) , budget = £2.145 billion (2019–20) , chancellor ...

under

Howard Florey Howard Walter Florey, Baron Florey (24 September 189821 February 1968) was an Australian pharmacologist and pathologist who shared the Nobel Prize in Physiology or Medicine in 1945 with Sir Ernst Chain and Sir Alexander Fleming for his role ...

who worked on the clinical application of

penicillin Penicillins (P, PCN or PEN) are a group of β-lactam antibiotics originally obtained from '' Penicillium'' moulds, principally '' P. chrysogenum'' and '' P. rubens''. Most penicillins in clinical use are synthesised by P. chrysogenum usin ...

Education and career

Jennings studied PPE at Lady Margaret Hall, Oxford from 1924. She joined the

University of Oxford , mottoeng = The Lord is my light , established = , endowment = £6.1 billion (including colleges) (2019) , budget = £2.145 billion (2019–20) , chancellor ...

's Sir William Dunn School of Pathology under

in 1936. By 1938, she was part of the team led by Florey investigating the production and applications of penicillin. Jennings undertook animal work as well as research on bacteriology. As part of testing, Jennings assayed the toxicity of penicillin extracts against white cells of the blood.

Personal life

Margaret married Denys Arthur Jennings in 1930, but the couple divorced in 1946. After 21 years, Jennings married

, her long-time colleague and penicillin researcher, in 1967 after the death of his first wife

Mary Ethel Florey Mary Ethel Florey (née Hayter Reed), Baroness Florey (1 October 1900 – 10 October 1966) was an Australian doctor and medical scientist. Her work was instrumental in the discovery of penicillin. She was part of the team that ran the first trials ...

References

* 1904 births 1994 deaths Academics of the University of Oxford British pathologists Florey English bacteriologists People from Aylesbury Vale Spouses of life peers 20th-century British women scientists Alumni of Lady Margaret Hall, Oxford {{UK-scientist-stub