4 adjectives to describe balloonist

Castaways of the stratosphere; or, Hunting the vanished balloonists, by Franklin W. Dixon, pseud. of Harriet S. Adams & Edna C. Squier.

One of the most eminent balloonists of modern times, Mr. James Glaisher, was many times in danger of losing his life whilst in pursuit of knowledge miles above the earth.

No Martial balloonist, much less any Martial mountain-climber, has ever, save once, reached a greater height than 16,000 feetthe air at the sea-level being scarcely more dense than ours at 10,000 feet.

But, uncomfortable as he was, and much as he felt like a seasick balloonist, he did not know in what a lucky position he was, nor how happy he should have been that it was not even riskier.

4 adjectives to describe  balloonist