Arthur W. Hoffmann, Ed.D., P.E., is an auto safety engineer who in 1967 designed and developed General Motors first crash-tested child safety seat; he also worked on its first rear-facing infant re...lihat lebih banyakArthur W. Hoffmann, Ed.D., P.E., is an auto safety engineer who in 1967 designed and developed General Motors first crash-tested child safety seat; he also worked on its first rear-facing infant restraint system. He is engaged as an expert witness and consultant in legal product litigation venues and holds several patents. He lives in Traverse City, Michigan, with his wife, Carolyn, and four bearded collie sheepdogs.lihat lebih sedikit