Gilpatric assumed that his own prior experience would give him an early advantage over McNamara, but this proved erroneous, as McNamara was a quick study and soon got a fix on the management and organization of the Defense Department.
one who is capable of learning at a fast pace; a fast learner
الواصلة
one who I·s ca·pa·ble of learn·ing at a fast pace; a fast learn·er