John L. Eisenmann

John L. Eisenmann, 90, passed away peacefully on the morning of March 9. 

Mr. Eisenmann was a 54-year resident of Hingham, MA.  He was devoted to his family and leaves his wife of 60 years, Catherine (O’Neil), four children, and 8 grandchildren.  He was born in Brooklyn, NY in 1925 and soon moved to Weymouth, MA where he spent his childhood. He graduated as valedictorian from Sacred Heart High School, Weymouth and enlisted in the Army shortly thereafter. He is a decorated veteran of World War II and lost his leg at the “Battle of the Bulge” in January 1945.  Mr. Eisenmann was awarded the Purple Heart, Bronze Star Medal, and Silver Star Medal for gallantry in action.  Upon return from the war, Mr. Eisenmann entered Boston College and earned a B.S. (1950) and M.S. (1952) in Chemistry.  He was granted a PhD in Organic Chemistry from the Massachusetts Institute of Technology and had a long and successful career as a research chemist focusing on electroplating and chemical recovery processes. Mr. Eisenmann authored or co-authored 16 patents in organic chemistry and membrane processes for application in wastewater recovery and pollution control.  He was published in over 20 technical articles, papers, and academic journals.  Mr. Eisenmann was a long-time member of the Hingham Conservation Commission and served multiple terms as president.  He and his wife were life-long conservationists and supported several open space initiatives in the greater Boston area. 

In addition to his wife, he is survived by his brother Joseph (wife Catherine) of East Bridgewater, MA; daughters Marianne of Manhattan, NY; Helene Brodette (and husband David) of Beverly, MA; and sons Charles (wife Betsy) of Shrewsbury, MA; and Paul (wife Amy) of Dover, NH. His eight loving grandchildren ranging from 11-29 are Caroline Hughes, Ben Brodette, Alex Brodette, Georgia Eisenmann, Lane Eisenmann, Gus Eisenmann, Audrey Eisenmann, and Vivian Eisenmann.  

More than any professional or military achievement, Mr. Eisenmann was proudest of his family and was never happier than when he was hosting a dinner, discussing current events, or watching a Red Sox game with his children and grandchildren.  He was a true gentleman. Nobody escaped his dry wit or sage advice.