21 April

Born in 1555 – Ludovico Carracci, Italian painter and etcher

Above: Three angels visiting Abraham (1610 - 1612)

Also, born in 1838, Scottish-American naturalist and writer John Muir, who journaled:

“April 21. My birthday — I am told the fifty-seventh, and yet I feel only a boy. Must make haste and get my work done ere the night falls. Made an excursion with the babes to Mount Wanda.”