By Kevin Bogardus and Megan R. Wilson - 08/20/13 08:55 AM EDT
Science has been a moneymaker for Foster.
Elected again in November to Congress after losing his 2010 reelection bid, Foster lists several savings and retirement plans among his assets, including an IRA valued at least $50,000.
Foster was a physicist at Fermi National Accelerator Laboratory and has been a big advocate for science on Capitol Hill.
— Kevin Bogardus