Igor Mel'cuk is a prominent linguist known for his contributions to the fields of linguistics and computational linguistics. Born in 1933 in Leningrad, he has developed influential theories on syntax, semantics, and morphology. His work has significantly impacted the study of language structure and understanding. Mel'cuk is best known for creating the Meaning-Text Theory, which focuses on the relationship between meaning and linguistic expression. He has also contributed to the development of Lexical-Functional Grammar and has published numerous works that explore the intricacies of language and its applications in natural language processing.