Marston Morse, American mathematician and academic (died 1977)

Harold Calvin Marston Morse was an American mathematician best known for his work on the calculus of variations in the large, a subject where he introduced the technique of differential topology now known as Morse theory. The Morse–Palais lemma, one of the key results in Morse theory, is named after him, as is the Thue–Morse sequence, an infinite binary sequence with many applications.

March 24 is the 83rd day of the year in the Gregorian calendar; 282 days remain until the end of the year.