Rudolph Israel Pariser (December 8, 1923 – February 2, 2021) was an American physical and polymer chemist.

[1][2] Pariser received his Bachelor of Science degree from the University of California, Berkeley in 1944, and his Ph.

From 1944 to 1946, during World War II and shortly afterward, he served in the United States Army.

[2] Pariser spent most of his career as a polymer chemist working for DuPont in the Central Research Department at the Experimental Station.

He rose to the level of Director of Polymer Sciences, leading it during a time of great innovation.