ニコライ・レザノフ
In 1805, almost twenty years later, the Swiss Johann Caspar Horner and the Prussian Georg Heinrich von Langsdorff, two scientists of the Kruzenshtern mission that also brought the Russian ambassador Nikolai Rezanov to Japan, made a hot air balloon out of Japanese paper (washi) and made a demonstration of the new technology in front of about 30 Japanese delegates.