Eric Hagerman is a former editor of Popular Science and Outside. His work has been featured in The Best American Sports Writing 2004, Men's Journal, and PLAY.
Since working as a research fellow at Harvard in the 70s, John J. Ratey has been researching the brain-body connection. Spark is his way of checking in with the general public to share good news from the field of neuroscience about the amazing impact of exercise on brain development and the deterioration we suffer without it. Ratey argues that exercise is one of the best treatments out there for many of the issues we look to psychology to fix.
Bio information sourced from Wikipedia