Biography: Received his B.S. and M.S. in Physics from the University of Washington in 1963 and 1983, respectively. He worked for Ampex Corporation to develop semiconductor thin films for recording applications from 1963 to 1965. He joined Boeing Aerospace Corporation in 1965, working on radiation testing of microelectronics and optoelectronics for military and space applications. He managed a major laboratory in the Boeing High Technology Center from 1985 to 1992, directing work on radiation effects, highly reliable device development, and advanced microelectronics. He joined the Jet Propulsion Laboratory in 1992 and is currently the Supervisor for the Radiation Effects Group, directing project support and applied research on radiation effects in advanced integrated circuits and photonics. He has published more than 80 refereed papers, including work on optocoupler degradation from space radiation, total dose degradation in linear integrated circuits at low dose rate, how device scaling impacts radiation effects in advanced CMOS devices, and proton degradation of light-emitting diodes, laser diodes, and optical detectors. Allan and other group members received the JPL/NASA Excellence Award in 1998. They also received the Outstanding Paper Award at the 1999 Nuclear and Space Radiation Effects Conference for their paper entitled "Angular and Energy Dependence of Proton Upset in Optocouplers" which explained how direct ionization from protons increases the upset rate in optocouplers. This was the mechanism behind shutdown in a power system on the Hubble Space Telescope, which occurred when the telescope passed through the south Atlantic anomaly in the earth's proton radiation belt. He has served in several positions for the IEEE Nuclear and Space Radiation Effects Conference, including Technical Chairman, Awards Chairman, Short Course Chairman, and is the General Chairman for the 2003 Conference. He has given invited papers on scaling effects in advanced devices at the 1997 and 2002 RADECS Conference, as well as sections of the Short Course at the 1981, 1995 and 2000 Nuclear and Space Radiation Effects Conference, along with a Short Course at the International Reliability Physics Symposium in 2002. He is a fellow of the IEEE.