Richard Rusczyk founded Art of Problem Solving (AoPS, www.aops.com) in 2003. AoPS offers textbooks, online learning systems, online schools, and learning centers around the US for eager K-12 students, mostly in math.
Richard Rusczyk
Richard Rusczyk founded Art of Problem Solving (AoPS, www.aops.com) in 2003. AoPS offers textbooks, online learning systems, online schools, and learning centers around the US for eager K-12 students, mostly in math.