Archived from the original on 2013-10-05. ↑ "George C. Pimentel". www.sigmaxi.org. Retrieved 2016-10-09. ↑ "Awards Named for George C. Pimentel". georgecpimentel.tripod.com. Retrieved 2016-10-09. ↑ "George C. Pimentel Award in Chemical Education - American Chemical Society".