John spent many years working as a physicist for private companies and the United States government, particularly for NASA on the Apollo space projects.
John cherished time with family and friends, and was devoted to his wife of 28 years, Donna Rivoire. John enjoyed nature and all things outdoors. He was always willing to help anyone and could fix anything.
John is preceded in death by his parents, grandparents, 4 sisters and 2 brothers. In addition to his wife he is survived by 5 children; John Rivoire Jr. (Arlene), Christine Ovenell (Jon), Catherine Juel, Denise Walz (James) and Erica Karp (Daniel). He leaves behind 8 grandchildren; Victoria Rivoire, Olivia Ovenell, Jeremy, Rachel, Rebecca, and Jordan Juel, Kate Walz and Greer Karp. He is also survived by his beloved companion, Beau.
Donations may be made to Capital Caring Hospice.
A Celebration of John's Life will be held at a later date.