David McKinneyDavid B. McKinney lives in the Houston, Texas, suburb of Spring. A former journalist, he retired after thirty-one years with a major oil company and taught communications part time at the University of Houston for more than a decade. McKinney is a cotributor to four communications textbooks and author of The Invisible Four. He and his wife, Dana, are part-year residents of Flagstaff, Arizona. They have three adult children and eight grandchildren. Read More Read Less