J.C. Hall always wanted to understand his workers and encourage them to do their best. As a result, he inspired unparalleled employee loyalty at Hallmark Cards, said Anna Carol “Acey” Lampe, executive professor of management and director of the undergraduate business program at Rockhurst University. “Mr. Hall treated everybody, from the stock boy to his executive VP, like they were his family,” said Lampe, who worked 25 years at Hallmark….