or Silvester II
- Gerbert, died 1003, French ecclesiastic: pope 999–1003.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- original name Gerbert of Aurillac. c. 940–1003 ad, French ecclesiastic and scholar; pope (999–1003): noted for his achievements in mathematics and astronomy