Allen was born in Chicago, Illinois to Irving Freedman and Lena Freedman (nee Granok). He was preceded in death by both of his parents.
Allen is survived by his wife of 30 years, Ying Yu Freedman, his daughter Julie (David) Schreiber, his son Bradley (Heather) Freedman, and his granddaughter Tyler Schreiber.
He was a beloved husband, father, and grandfather who will be dearly missed by all.
Contributions in Allen’s memory can be sent to the United States Holocaust Memorial Museum.