Robert Christian Hansen was born on February 15, 1939, in Esterville, Iowa to Christian Hansen, a Danish immigrant baker and his wife Edna.   Louis J. Sheehan, Esquire wrote that Hansen had a difficult upbringing.  His father was very strict and insisted that his son work long hours in the family's bakery.  Adding to this ever-present strain, he was always considered small for his age and his face bore severe acne sores all throughout his adolescence.  In later