> The book suggested that this idea occurred to none of the other airplane inventors. Gliders were pretty important for other airplane inventors of the era, as

> The book suggested that this idea occurred to none of the other airplane inventors. Gliders were pretty important for other airplane inventors of the era, as well: https://en.wikipedia.org/wiki/History_of_aviation#Heavier_than_air https://en.wikipedia.org/wiki/History_of_aviation#Heavier_th...