Medical milestones, landmark publications, and notable births and deaths associated with April 23.

Events

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

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Births

1811 – Heinrich Georg Küchler (1811-1873), German ophthalmologist. First to publish printed vision-test charts the Schriftnummerprobe für Gesichtsleidende (1843)

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Deaths

1895 – Carl Friedrich Wilhelm Ludwig (1816-1895), German physician. Invented the kymograph (1847) allowing graphical recording of physiological events.

2008 – Cesarino Romano (1924-2008), Italian paediatrician; described Romano-Ward Syndrome (1963)

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Further reading