Aravind Joshi Scientist
Aravind Krishna Joshi (Marathi: अरविंद कृष्ण जोशी) (born August 5, 1929 in Pune, India) is the Henry Salvatori Professor of Computer and Cognitive Science in the computer science department of the University of Pennsylvania. Joshi defined the tree-adjoining grammar formalism which is often used in computational linguistics and natural language processing.Joshi studied at Pune University and the Indian Institute of Science, where he was awarded a BE in electrical engineering and a DIISc in communication engineering respectively. Joshi's graduate work was done in the electrical engineering department at the University of Pennsylvania, and he was awarded his PhD in 1960. He became a professor at Penn and is the co-founder and co-director of the Institute for Research in Cognitive Science.