The canons of art history tend to be rather jealously guarded. Few historians have occasion to flip them on their heads and give them a good shake. But after being prompted by Laurie Winters of the Milwaukee Art Museum (MAM) and the thesis of his student Lloyd DeWitt, National Gallery of Art curator Arthur Wheelock was offered just such an opportunity. Working closely with MAM and Amsterdam's Rembrandthuis, Wheelock has helped to reopen a chapter of the story of art concerning a largely overlooked 17th-century Dutch painter named Jan Lievens. Starting Feb. 7 local audiences...