The young, high-flying Atlanta Hawks are maturing rapidly. Josh Smith scored 22 points, Marvin Williams and Josh Childress both added 16 and the Hawks snapped a seven-game losing streak at Philadelphia with an 88-79 victory over the 76ers on Monday night. Joe Johnson scored 15 points and Al Horford had 12 points and 13 rebounds for the Hawks (7-9), who last won at Philadelphia on March 21, 2003.