Jack Exum The ‘Communicator’, At Yosemite Published October 26, 2012 at 1024 × 768 in Thru The Years Jack Exum The ‘Communicator’, At Yosemite Dad said, “I don’t see myself as a ‘preacher’, I’m a communicator.” He loved to get close to people, sit on his stool, and ‘touch’ them with his stories and the truth of the Good News.