Where can I find Mr. Hendershot?

Period 1: Prep
Period 2: Contemporary Literature Rm. 412
Period 3: Functional English Rm. 528
Period 4: Contemporary Literature Rm. 412
Period 5: Functional English Rm. 528
Period 6: Tutorial
Period 7: Contemporary Literature Rm. 412
Period 8: Study Hall Lecture A
Period 9: Prep