#N Mathematician #O David Buckingham #C A period 5 oscillator found in 1972. #C http://www.conwaylife.com/wiki/index.php?title=Mathematician x = 9, y = 11, rule = B3/S23 4bo4b$3bobo3b$3bobo3b$2b2ob2o2b$o7bo$3o3b3o2$9o$o7bo$3b4o2b$3bo2b2o!