| May 28th, 1942Stanley B. Prusiner, American scientist, recipient of the Nobel Prize in Physiology or Medicine born on May 28, 1942.  Read about how to open files in Open File Database.
 Events around May 28, 1942
| May 30th, 1942 | Event | World War II: 1000 British bombers launch a 90-minute attack on Cologne, Germany. |  |