DARIN C. BROWN spent the last twenty years saving lives as an emergency medicine physician in New Hampshire and Maine. His master's degree in biomedical engineering and PhD in biophysics helped him conceptualize Hunter's astounding capabilities. When he's not writing, he directs Murder Mystery Dinner Theater, including the biannual shows on the Conway Scenic Railroad. In addition to his varied academic interests, he competes at the national level in master's track. He currently resides in the White Mountains of New Hampshire with his wife, Dr. Sandra Brown, and their many pets.