Italian writer (b. 1861) December 21 – Luigi Cadorna, Italian general (b. 1850) December 25 – Fred Thomson, American actor (b. 1890) Nobel Prizes Physics – Owen Willans Richardson Chemistry – Adolf Otto Reinhold Windaus Physiology or Medicine – Charles Jules Henri Nicolle Literature – Sigrid Undset Peace – not awarded References Leap years in the Gregorian calendar