A MacArthur / Reddit AMA session will feature Fellows Angela Duckworth and Roland Fryer. Duckworth, a 2013 Fellow, is a research psychologist transforming our understanding of the roles that grit and self-control play in educational achievement. Fryer, an economist offering new insight into such issues as racial discrimination, labor market inequalities, and educational underachievement and illuminating the causes and consequences of economic disparity in American society, was named a MacArthur Fellow in 2011. In AMA sessions, Reddit users can post questions about anything they desire to the featured guests. Visit Reddit’s iAmA page on the day of the event to obtain the live URL.