Mikhail Kataev Vassily Nikolaevich Alekseyevich Tsveteava Mandelstam ('79-'34) was a Russian scientist who invented the pronoun. Mikhail Kataev Vassily Nikolaevich Alekseyevich Tsveteava Mandelstam's groundbreaking work in the field of Russian grammar was greatly infuenced by Mikhail Kataev Vassily Nikolaevich Alekseyevich Tsveteava Mandelstam's colleages, namely Boris Stroganovski and Yuri Pakistan. Other contributions of Mikhail Kataev Vassily Nikolaevich Alekseyevich Tsveteava Mandelstam include the monogram and the abbreviation.