from The American Heritage® Dictionary of the English Language, 4th Edition
- Whitehead, Alfred North 1861-1947. British mathematician and philosopher. A founder of mathematical logic, he wrote Principia Mathematica (1910-1913) with Bertrand Russell and Process and Reality (1929).
from Wiktionary, Creative Commons Attribution/Share-Alike License
- proper n. A surname.
white + head (Wiktionary)