Rose was born in
Eagle Butte, South Dakota, on September 23, 1926, to Foresta
cowboy and
rodeo rider and Lena Berghuis Rose. In the spring of 1944, at the end of his junior year, the 17-year-old Rose dropped out of high school and enlisted in the
United States Navy where he served on a submarine, the
USS Sea Devil, in the
Pacific theater of World War II. According to Rose, at the end of hostilities his boat moored in
Shanghai and
Qingdao, China, and served as a "military presence" patrolling the
China Seas. He was discharged from the Navy in 1946, then attended
Yankton College from which he graduated with a
B.A. 1949. While at Yankton, he met Marilyn Preheim, who was a medical tech student at a nearby hospital. The couple married in the
Mennonite Church on July 28, 1951, and eventually had a son and five daughters. Rose studied
medicine for two years at the
University of South Dakota, then earned his
M.D. from the
University of Nebraska in 1953. In the mid-1950s, he interned in
Denver, Colorado, worked in private practice in
Lemmon, South Dakota, then completed specialty training with residencies at
Baylor University Medical Center in Dallas (
surgical pathology) and
DePaul Hospital in St. Louis (
clinical pathology). Rose then sub-specialized with a fellowship in
forensic pathology at the
Medical College of Virginia. He worked as a forensic pathologist in
Virginia where he held the title of Deputy Chief Examiner for the
Tidewater Region of Virginia. In June 1963, Rose moved to Dallas where he became medical examiner for the city and county of Dallas. According to
The New York Times, he was "hired by the county to establish a scientifically valid medical examiner’s system to replace its existing system of elected lay coroners." While working as a medical examiner in Dallas, Rose received a law degree from
Southern Methodist University. ==Kennedy assassination==