What artist’s most famous work, created in 1876 and originally titled Yankee Doodle, was so popular that he painted a number of different versions during the remainder of his life?

What sculptor is remembered for his achievements in the development of Cubism, transforming the formal characteristics of the style from painting into three-dimensional works?

Answers here~ https://schristywolfe.com/2015/08/22/august-22/