Allan Kaprow

American artist (1927–2006).

Born August 23rd, 1927 in Atlantic City. [ref]

Died April 4th, 2006 at 78 years old in Encinitas. [ref]

Occupations
illustrator, installation artist, painter, performance artist, photographer, sculptor
Wikipedia

Mostly it is loss which teaches us about the worth of things. Arthur Schopenhauer