Making History: The American Left and the American Mind and Beyond the Barricades. Dr. Flacks has a Ph.D. from University of Michigan.]]> The Gap, a bestselling book, which took a conversational approach to the growing cultural divide between baby boomers and their parents. Lorber has earned a Bachelor's degree, Master's degree and Ph.D. from Columbia University.]]> Dr. Roosevelt Johnson (d. 2015) was a psychologist, counselor, educator, and administrator. Dr. Johnson worked as a professor at Ohio State University, University of the District of Columbia in Washington, DC, and John Hopkins University. He also worked at private counseling centers in the Washington, DC area and Silver Springs, Maryland. He received his Bachelor's degree at St. Louis University and Ph.D. at the University of Illinois at Champagne-Urbana.]]>