Found another one!

Entropy anyone? Statistics became inextricably wedded to electrical engineering with this paper:

• Shannon, C., "A Mathematical Theory of Communication," The Bell System Technical Journal, Vol. 27, pp. 379–423, 623–656, July, October, 1948.

As usual, Wikipedia has a great bio on Claude Shannon, who’s also responsible for most of the mathematical formalisms we use to analyze digital circuits. Shannon was also smart enough to use his math to get rich, both in the stock market and in Las Vegas.