Deborah Azrael, gun-violence researcher Despite some 300 million guns in circulation in America, research on guns and gun violence remains seriously underfunded. Among the handful of public health experts helping to expand the available pool of data is Dr. Deborah Azrael of Harvard's Injury Control Research Center. Azrael co-authored a seminal study in 2015 that found firearm suicide rates are higher in states with higher rates of gun ownership, underscoring the... (GunPolicy.org)