Professor Levinson waited for the attack to pass , then explained what he believed was the cause and how to cure it by diet .
While taking the professor to view the Twin Falls , Bieler had a massive asthma attack .
Professor Levinson waited for the attack to pass , then explained what Bieler believed was the cause and how to cure it by diet .
While taking the professor to view the Twin Falls , Bieler had a massive asthma attack .