Lumizyme (alglucosidase alfa)

Few people have heard of Pompe disease, and even fewer know anything about Joannes Cassianus Pompe — the Dutch pathologist who in 1931 characterized the rare disorder that carries his name, and who just 14 years later was killed by the Nazis for aiding the Allies during World War II.

On a Friday the 13th some 20 years ago, 15-month-old Megan Crowley was diagnosed with Pompe disease. A few weeks later, so was her newborn brother, Patrick. Even the doctor who diagnosed the two children didn’t know much about the disease. Before that March day in 1998, he had…