Died on a 29 February: 1924 Jean-François Raffaëlli, French artist born on 20 April
1850.
Born on a 29 February: 1908 Balthasar Klossowski de Rola Balthus, French
artist. 1784 Leo van Klenze, German artist who would die at age 79 one
month and two days before his 20th birthday in 1864. [Did they use too much kleanser
on his paintings? Is that why there are none to be found reproduced on the internet?]