Daniel L. Hertz Jr.
1930 - 2021
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Daniel L. Hertz Jr.

Daniel L. Hertz Jr. was born to Daniel L. Hertz Sr. and Elizabeth Beet Hertz in Montclair, NJ, on February 27, 1930. He went to his final reward on January 9, 2021. As a young man he served with the United States Army in Korea. He went on to be the president and CEO of Seals Eastern Inc., which he founded in 1953. He also served as the chairman of the American Chemical Society - Rubber Division.

It is difficult to summarize all of Daniel's accomplishments. Among his many awards, those of which he was most proud include his honorary degree from Stevens Institute of Technology in 1982, his Melvin Mooney Distinguished Technology Award in 2006, his five patents, and more than 60 published articles on elastomers and sealing concepts. In 2015, NJBIZ awarded him the Raymond Hopp Lifetime Achievement Award for Excellence in New Jersey Manufacturing. In 1986, after the Challenger disaster, NASA brought Daniel in as an expert. He determined that the O-ring design was at fault and offered a design modification to solve future issues, and he was invited to speak about the Challenger by the MacNeil/Lehrer NewsHour. For his nearly 65 years of invaluable contributions to his field, Daniel was celebrated by Marquis Who's Who, both nationally and internationally.

Dan was an avid sportsman who loved fly-fishing, duck hunting, and railbird shooting. He belonged to the Log Cabin Gun Club, the Muddlers Club, and the Root Beer and Checker Club. He was also a valued member of the Seabright Beach Club, the Seabright Lawn Tennis and Cricket Club, and the Rumson Country Club.

Dan was predeceased by his parents, his two sisters, and his brother. He leaves his wife of 50 years, Isabel Waud Hertz, and his eight children: Richard and Kara Hurd, Lauri and Michael Boyle, David and Ann Hurd, Suki Hertz and her husband Michael Hagerty, Daniel and Pamela Hertz, Bruce and Lucy Hurd, Seana and Tyson Pritchard, and Benjamin and Samantha Hurd. He also leaves behind 24 grandchildren and 6 great-grandchildren. In addition, he will be missed by the many he mentored over the years.

Dan made our world a richer place, and his passing leaves a void in so many lives. A celebration of his life will take place in the summer of 2021. In lieu of flowers, please consider a contribution in Dan's name to All Saint's Memorial Church in Navesink, NJ. Thompson Memorial Home, Red Bank, has been entrusted with the arrangements.




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Published in Asbury Park Press from Jan. 11 to Jan. 12, 2021.
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14 entries
January 22, 2021
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January 22, 2021
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Gini and Dick Hupp
January 20, 2021
Dan was a great man and a wonderful friend through all my years leading the Rubber Division. He always shared sage advice and good humor when I needed it. Diane and I will truly miss him. Our prayers and love go out to all the family.
Edward LMiller
January 20, 2021
We did not met so often, but your work was inspiring and helped me a lot in may business life. I am sure you will be remembered a long, long time through your work. I wish you found your peace on your way out of this world. My condolences to your family and friends
Dr. Hans-Joachim Graf
Acquaintance
January 20, 2021
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Rubber Division, ACS
January 19, 2021
God Bless Dan. He was an amazing man who did amazing things for our community. I worked for him 20 years ago at SE for 16 years. He was on our Foundation at RBCS for 18+ years. Thank you. My condolences to Ibby and Danny and the rest of the family.
Theresa Shirley
Friend
January 17, 2021
Dan Hertz was a legend in the Rubber Industry. I am so glad I have known him for almost 50 years. His knowledge of “Rubber Seals” was second to none! He will surely be missed!
Raju Chudamani
Friend
January 15, 2021
My condolences to the Family. May he rest in peace.
I was an employee of SE for 43yrs.
Luz Maria Robles
Coworker
January 15, 2021
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Kathy and Tony Kerbs
January 15, 2021
Offering my sincere condolences to Ibby and the entire family for your loss. Dan was a class act and a nice guy and will be missed by his family and all his many friends.
Philip Welch
Friend
January 14, 2021
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Peter & Melinda Beuf
January 13, 2021
Lauri and Family

I am so sorry to hear of your Dad's passing. May all the wonderful memories you created over all the year help carry you through this tough time.

Debbie Iapicco and family
Debbie Iapicco
January 13, 2021
So sorry to hear about Dan's passing, what a loss! I am just finding out about this and it saddens me; rest in peace; it was great knowing you for 12 years.
My condolences to his family. If there are services for him soon, I would like to attend.
Brian Caronia
Coworker
January 12, 2021
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