Narendra Karmarkar is an Indian-American mathematician and computer scientist who gained significant recognition for his contributions to the field of algorithms and optimization. He was born in India in 1957 and later moved to the United States. Narendra Karmarkar is best known for developing the "Karmarkar's algorithm," which is a polynomial-time algorithm used for solving linear programming problems. This algorithm was groundbreaking because it significantly improved the efficiency of solving certain types of optimization problems. Linear programming is an essential mathematical technique used in various fields, including operations research, economics, engineering, and more.