Alfred Roth was a prominent German mathematician known for his contributions to game theory and economics. He was born on December 22, 1928, and made significant advancements in the field of matching theory, which studies how to pair agents in a way that is beneficial for all parties involved. His work has applications in various areas, including labor markets and organ donation systems. Roth received the Nobel Prize in Economic Sciences in 2012 for his research on market design and matching mechanisms. He has also been involved in developing algorithms that improve the efficiency of matching processes, influencing both theoretical and practical aspects of economics and social sciences.