Nathan Kornblum (March 22, 1914 – March 13, 1993) was a professor of organic chemistry and a researcher at Purdue University. He received grants for projects from 1970 to 1983.^[1]

He was born in New York City on March 22, 1914, to immigrant parents, Frances (Newmark) and Samuel Kornblum.^[2] His main research focus was electron transfer substitution reactions.^[3] His most famous work was the discovery of the Kornblum oxidation and also the Kornblum substitution.^[4] He was also known for Kornblum's rule in acid-base chemistry. He was the Plutonium chapter advisor for Iota Sigma Pi Honors Society for Women in Chemistry, which was established in February 1963.^[5] In 1952, he received a Guggenheim Fellowship award. He authored a chapter in an Organic Reactions textbook which was published in 2011,^[6] and wrote a review entitled "Synthetic Aspects of Electron-Transfer Chemistry" which was published in 1990 by Sigma-Aldrich.^[7]