They married in 1954 and had a long and successful marriage. Mary was to stay in accelerator design through her career; towards the end of John's life he returned to problems in accelerator design and he and Mary wrote some papers jointly.
Sila kasal sa 1954 at nagkaroon ng isang mahaba at matagumpay na kasal. Mary ay upang manatili sa Accelerator disenyo sa pamamagitan ng kanyang karera; sa huli ng John's buhay niya ibabalik sa mga problema sa Accelerator disenyo at siya at Maria wrote ilang mga papeles sama-sama.