Group lot of 13 photos of world-renowned physicists, various finishes, ranging in size from 4.25 x 6.25 to 11 x 8.5, each signed in ink or felt tip by the pictured scientist: Freeman Dyson, Sheldon Lee Glashow, Lawrence M. Krauss, Juan Martín Maldacena, Roger Penrose (ins), Lisa Randall, John Henry Schwarz, Nathan Seiberg, Gerard 't Hooft, Kip Thorne (ins), Neil deGrasse Tyson, Frank Wilczek, and Edward Witten. In overall fine condition.