Title: Vydai︠u︡shchiesi︠a︡ mekhaniki
Subjects: Biography, Mechanical engineers
Places: Russia (Federation)
People: M. V. Keldysh (1911-1978), Nikolaĭ Egorovich Zhukovskiĭ (1847-1921), Sergeĭ Alekseevich Chaplygin (1869-1942)