Chertovsky , an engineer of Aviation Medicine Institute , was involved in early Soviet stratospheric balloon program , and co-designed the ill-fated '' Osoaviakhim-1 '' . The first aircraft designed for crew wearing Chertovsky 's pressure suits could have been a gigantic ( 300,000 cubic meters ) '' USSR-3 '' balloon that burnt down on launch pad in September 1935
Osoaviakhim-1
Osoaviakhim-1
Yevgeny Chertovsky