In 1965, Pete’s Super Submarines was opened in Bridgeport, Connecticut, by Fred DeLuca and nuclear physicist Dr. Peter Buck after the 17-year-old DeLuca asked Buck how he should pay his college tuition. With an idea to make fresh and affordable sandwiches for local guests, Buck invested $1,000, and the two business partners sold 312 made-to-order sandwiches on the shop’s opening day. In 1968, Pete’s Super Submarines became Subway®. One shop grew into 16, and in 1974....