Bob Hall was born in Lincoln, Nebraska and earned a masters degree in theatre at the University of Nebraska. He then moved to New York City for 25 years pursuing dual careers of cartooning and theatre arts. His cartooning career has also allowed him to live several years in England and Ireland, where he pulled inspiration from Celtic legends and heroes.

His first professional work was penciling and inking several horror stories for Charlton Comics. In 1976 he began a professional association with Marvel Comics which was to last more than fifteen years. At one time or another, Bob drew most of Marvel's major characters and titles including The Champions, Spiderman, Dr. Doom., Conan, Thor, The Fantastic Four, The Submariner, Captain...