On 9 July 1923, in Nérac, in the French department of Lot-et-Garonne, Jean Louis Couzy, a 20th-century French mountaineer and explorer, was born in Nérac, in the French department of Lot-et-Garonne. He is known for having pioneered major climbing routes in the Pyrenees and on Mont Blanc, and for the first ascents of Makalu and Chomo Lonzo in the mid-1950s.