The painting medium "tempera" has what as a base?
B. Egg yolk
A painting by Sandro Botticelli that depicts a goddess, having emerged from the sea as a full grown woman, arriving at the sea-shore on a sea shell is called "The Birth of ... " who?
Which 20th century painter claimed to have invented a new technique called "action painting" and was called by the contemporary press "Jack The Dripper"?