James Simons
The Simons Foundation Autism Research Initiative aims to improve the diagnosis and treatment of autism disorders. The hedge fund billionaire, whose daughter is autistic, has committed more than $200 million to research.


This article is from the November 21, 2011 issue of Fortune.
Last updated November 10 2011: 1:28 PM ET
Join the Conversation

Fortune contributor Brent Schlender shares some of the stories and personal photographs he collected during more than two decades as Steve Jobs' chronicler and confidant.

Market indexes are shown in real time, except for the DJIA, which is delayed by two minutes. All times are ET. Disclaimer LIBOR Warning: Neither BBA Enterprises Limited, nor the BBA LIBOR Contributor Banks, nor Reuters, can be held liable for any irregularity or inaccuracy of BBA LIBOR. Disclaimer. Morningstar: © 2014 Morningstar, Inc. All Rights Reserved. Disclaimer The Dow Jones IndexesSM are proprietary to and distributed by Dow Jones & Company, Inc. and have been licensed for use. All content of the Dow Jones IndexesSM © 2014 is proprietary to Dow Jones & Company, Inc. Chicago Mercantile Association. The market data is the property of Chicago Mercantile Exchange Inc. and its licensors. All rights reserved. FactSet Research Systems Inc. 2014. All rights reserved. Most stock quote data provided by BATS.