Crossword puzzle clue "his work is in print"

Opus ___ (Catholic teaching also called "the Work, work work work work")

His work is in print

Psychology pioneer known for his work in classical conditioning (and for his dogs): 2 wds.

He named a minor character in his most famous work Vivian Darkbloom, an anagram of his name

QB who used to print "John 3:16" in his eyeblack

Work, work, work

Work, work, work

Baseball player who hit his first home run at age 19 (Mariners, 1995) and another on his 40th birthday (Yankees, 2015): 2 wds.