Search


The Slump Surname Project
Slump surname project The Slump Y-DNA surname project was started at Family Tree DNA (FTDNA) in Dec 2017. The SLUMP surname was adopted...
David A Stumpf, MD, PhD
Dec 26, 2017
By trade, I’m a doctor. I spent my professional career as a pediatric neurologist in both practice (treating patients) and academia (teaching and laboratory research).