The Willowbrook Ballroom was originally built as an outdoor dance pavilion named Oh Henry Park by Austrian immigrant John Verderbar. Wildly successful, it was enlarged and fully enclosed in 1923, and a 10[-a-dance policy was implemented. Destroyed by fire in 1930, a determined Verderbar hired a crew of 200 carpenters, and a new facility was built to the tune of a then-staggering $100,000. In 1959, it was renamed the Willowbrook Ballroom, and dancers...