Medical milestones, landmark publications, and notable births and deaths associated with April 28.

Events

No major medical milestones added for this date yet — this page is being expanded

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Births

1870 – Frédéric-Justin Collet (1870–1964), French physician; described Collet–Sicard syndrome (1915)

1902 – Johannes Jacobus Zoon (1902-1958), Dutch dermatologist; described Balanitis von Zoon (1952)

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Deaths

1932 – Sir David Drummond (1852–1932), English physician; described Drummond sign (1908)

1946 – Louis Virgil Hamman (1877-1946), American physician; described Hamman’s sign / Hamman’s cruch (1934), Hamman-Rich syndrome (1935), and Hamman syndrome (1939)

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Further reading