Ed Yost own interests turned toward reviving the lost practice of manned hot-air ballooning. This technology had first been invented in France by in the late 18th century by pioneers led by the Montgolfier brothers, but under the Montgolfier system, the balloon's air was heated by a ground fire prior to the balloon being released. The inherent danger of this type of balloon flight led to the system being abandoned when hydrogen and later helium became available. One of Yost's key engineering insights was that a hot-air balloon could be made to carry its own fuel. The invention of relatively light burners
Hot air ballooning Great Race" (1965 Comedy), the opening sequence features a hot air balloon competition between The Great Leslie and Professor Fate. "Five Weeks in a Balloon", published in 1863, was Jules Verne first acclaimed novel which made him famous and propelled his career as a novelist. The heroes travel across Africa from Zanzibar to Saint-Louis in a gas balloon, not a hot air balloon. In "Something Wicked This Way Comes" (1962) by Ray Bradbury, a hot air balloon with the Dust Witch is sent to find out and mark the location of the boys' homes. In Phillip Pullman's trilogy "His Dark