Alexander Fleming Museum

Discover for yourself the secrets of the laboratory in which Alexander Fleming discovered penicillin in 1928. An in-situ reconstruction of the laboratory, displays and a video uncover the remarkable story of how a chance discovery became a lifesaving drug destined to revolutionise medicine.

The extensive archives of St Mary's Hospital are also open for research.

Visit our website for further information.

The Alexander Fleming Laboratory Museum also features in our Learning section.

Sir Alexander Fleming: The development of Penicillin
Follow in the footsteps of Alexander Fleming on a medical trail around London and beyond. Download the pdf here; also available in Spanish and Italian).

Contact Us

St Mary's Hospital
Praed Street
W2 1NY
Tel. 020 3312 6528

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Museum staff can visit schools and colleges by arrangement to give presentations on the history of medicine.

Visitor Information

Opening Hours
Monday-Thursday, 10:00-13:00
Other times by appointment only (Monday-Thursday 14:00-17:00 and Friday 10:00-17:00)
Closed on public holidays.
Groups are advised to make an advance appointment so that the Museum can make your visit as enjoyable as possible and tailor it to your interests.

Adults: £4.00
Children, students, senior citizens, UB40 holders: £2.00
Staff and students of Imperial College Healthcare NHS Trust and Imperial College School of Medicine: Free on production of valid identification badge.

Accessibility: No wheelchair access.

Rail: Paddington
Underground: Paddington
Bus: 7, 15, 27, 36


Latest News from the Alexander Fleming Laboratory Museum


The Alexander Fleming Laboratory Museum was designated an International Historic Chemical Landmark by the American Chemical Society and the Royal Society of Chemistry in 1999. Visit the American Chemical Society website for more information.

Volunteers wanted

Would you like to be a volunteer museum guide in the Alexander Fleming Laboratory Museum?

Volunteer guides ensure that visitors are given a warm welcome, give short talks on the story of penicillin and serve in the Museum shop. You do not need to have scientific or medical knowledge as full training is given, but you should have an enthusiasm for working with the public and communicating the excitement of a great discovery. For further information please contact or telephone 020 331 26528.

Society of General Microbiology Podcast.

Ben Thompson of the SGM interviewed Kevin Brown about Alexander Fleming. Listen here.

I Love the Grove podcast.

John Savage was taken on an awesome journey by Kevin Brown to the Alexander Fleming Laboratory Museum.

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