Alexander Karp is a professor of mathematics education at Teachers College, Columbia University. He received his Ph.D. in mathematics education from Herzen Pedagogical University in St. Petersburg, Russia, and also holds a degree from the same university in history and education. Currently, his scholarly interests span several areas, including the history of mathematics education, gifted education, mathematics teacher education, and mathematical problem solving. He served as the managing editor of the International Journal for the History of Mathematics Education and is the author or editor of over one hundred publications, including over thirty books. He is a co-editor of the Springer series the International Studies in the History of Mathematics and its Teaching.