Colloquium held by the Massachusetts Institute of Technology (MIT) in honor of the 100th birthday of physicist Laszlo Tisza. The colloquium featured several speakers, including: Sebastien Balibar, "Laszlo Tisza and Superfluidity" (main talk); Russell Donnelly, extended comments; Millie Dresselhaus, "Laszlo Tisza and MIT"; Andrew Frankel, presentation of greetings and plaque from the Hungarian Physical Society; Daniel Greenberger, Lee Grodzins, Wolfgang Ketterle, Daniel Kleppner, short comments; and Benoit Mandelbrot, "Laszlo Tisza and Generalized Thermodynamics."