Milton Friedman, one of the most important economists of our times, died yesterday. Although few of the people I know* agree on many things with Friedman, I'm not sure if there are many other economists who have had such an impact on the debates about economics, welfare, public policy, and ethics that I occasionally have with friends and colleagues as he has. For example, he is the person who popularized the phrase "There's no such thing as a free lunch." See the following two links for more background on Friedman's life.
* one of the few people I know who agree with much of what Friedman said is Mr. Arjona's neighbor his senior year in college, "Poofy."