Medical milestones, landmark publications, and notable births and deaths associated with June 30.

Events

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

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Births

1830 – Auguste Louis Jules Millard (1830-1915), French physician; described Millard-Gubler syndrome (1856)

1900 – Gordon David Oppenheimer (1900-1974), American surgeon and urologist; one of the three authors of the foundational 1932 description of regional ileitis, later named Crohn’s disease

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Deaths

1974 – Douglas Theodore Prehn (1901-1974), American urologist; described Prehn’s sign (1934)

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Further reading