Radomysl Marian Twardowski, MD, was born in Krakow, Poland, in 1959 and came to the United States in 1983. After graduating from medical school and completing his residency and fellowship, Radomysl practiced cardiology until 2010, after which he performed medical evaluations for MEPCOM and Humana Medicare Advantage Plans until 2015. Currently Dr. Twardowski promotes wellness and presents on various topics ranging from cardiology, metabolic health, and physiology of exercise to sports, culture, literature, and religion for OLLI (Osher Lifelong Learning Institute), which is affiliated with the University of South Dakota in Sioux Falls, and advises on career readiness for high school students with Pathful, Inc. A Journey Through Life and History is his first book.