NEW YORK — Drug maker Imprimis Pharmaceuticals just found a backer to distribute its $1 alternative to Daraprim, the infection-fighting drug whose price was hiked 5,000% by Turing Pharmaceuticals.

Waiters, personal trainers and, more significantly, thousands of people whose scripts actually get produced owe a lot to the Write Brothers. Celebrating its 30th anniversary recently, the Burbank, ...