Abigail and Dr. James Van Allen and his wife, Abigail, met “by accident” when she backed into his car at a stoplight in Baltimore. He scowled, but said nothing. When she ran into him again a few minutes later at the applied physics lab at Johns Hopkins University where they worked, she said, “Who do you think you are, throwing those dirty looks?” He called her the following Sunday to go bicycling. The Van Allens married on Oct. 13, 1945, in Southampton, Long Island. They lived right outside Washington, D.C., until 1951 when Van Allen accepted the position of head...