Man's Search for Meaning

Frankl was a very skilled psychotherapist before he was arrested and sent to a concentration camp. Would he have done more good by going to America and treating hundreds of patients, rather than working as a slave laborer throughout the war?

Frankl was very fortunate throughout his years in the concentration camps. How much of his survival was blind luck and how much resulted from his determination and the choices he made?

Frankl sees three major sources of meaning in life: love, achievement, and dignity despite suffering.  Which was most important in keeping Frankl himself alive and sane?