What American painter, loosely grouped with the Precisionists, tried his hand at a number of realistic and quasi-realistic movements before achieving his somehow abstract yet hyper-real style?

What American painter and draftsman said in the late 1950s, “It never occurred to me to join a group which advocated a particular philosophy of art. It would have been unnatural to me”?

Answers here~ https://schristywolfe.com/2015/10/11/october-11/