What 2 artists were famous during andy warhols time?

Arrange the events in graphic design history in chronological order. william morris commercialized graphic design.

Riddle me this: i am first in earth,second in heaven,appear two times in aweekyou can only see meonce in a year, althoughi'm in the middle of sea.what am i?

What do you african rock painting have that european and australian rock paintings don’t have?