Session 25. HAD II: Celebrating Other Centennials

Historical, Oral, Monday, May 31, 1999, 10:00-11:30am, Marquette

25.01 Thomas Digges and Giordano Bruno: 400 Years of Plurality of Worlds

C.J. Corbally (Vatican Observatory)

25.02 Tales from the hundred year history of the American Physical Society

Harry Lustig (Dept. of Physics and Astronomy, U. New Mexico)

25.03 Fifty Years of the Galactic Magnetic Field

E. N. Parker (Enrico Fermi Institute, University of Chicago, Chicago)

25.04 The AAS ``Semi-centennial" Meeting: Northwestern University\\and Yerkes Observatory, September 1947

D.E. Osterbrock (UCO/Lick Obs/UCSC)