Two elected leaders and a roundtable of U-M researchers convened to mark the 50th anniversary of the legislation that created the Medicare system and the 80th anniversary of Social Security's creation. August, 2015. #Medicare50UM Panel members include: John Dingell, Debbie Dingell, Matthew Davis, John Ayanian, Susan Collins, Helen Levy, Rick Bossard, Justin Dimick, Mark Fendrick, Jim Haveman, Peter Jacobson, Eve Kerr, Kenneth Langa, Jenifer Martin, Andy Ryan, Erica Solway, David Spahlinger, Marianne Udow-Phillips, Brent Williams, Cynthia Wilbanks, Martha Darling