Yitang Zhang is a Chinese-American mathematician known for his groundbreaking work in number theory. He gained international recognition in 2013 for proving a significant result related to the Twin Prime Conjecture, which suggests that there are infinitely many pairs of prime numbers that differ by two. His work provided a major advancement in understanding the distribution of prime numbers. Zhang was born in 1955 in China and later moved to the United States for his studies. He earned his Ph.D. from Purdue University and has held various academic positions, including at the University of New Hampshire. His contributions have inspired further research in the field of mathematics.