Original: Vyacheslav Vsevolodovich Ivanov (born 21 August 1929, Moscow) is a prominent Soviet/Russian philologist and Indo-Europeanist probably best known for his glottalic theory of Indo-European consonantism and for placing the Indo-European urheimat in the area of the Armenian Highlands and Lake Urmia.
Simplified: Vyacheslav Vsevolodovich Ivanov (born 21 August 1929, Moscow) is a Soviet/Russian historical linguist. He is best known for his glottalic theory of how consonants are spoken in Indo-European languages and for placing point of origin for these languages in the area of the Armenian Highlands and Lake Urmia.