▁L abs , ▁T app ert ▁was ▁a ▁Senior ▁Research ▁Scient ist ▁at ▁the ▁Cour ant ▁Institute ▁of ▁New ▁York ▁University ▁from ▁ 1 9 7 4 ▁to ▁ 1 9 7 8 . ▁ ▁He ▁moved ▁to ▁Cor al ▁G ables , ▁Florida , ▁in ▁ 1 9 7 8 ▁to ▁join ▁the ▁fac ulty ▁of ▁the ▁University ▁of ▁Miami , ▁where ▁he ▁had ▁a ▁joint ▁appointment ▁in ▁the ▁Department ▁of ▁Physics ▁on ▁the ▁main ▁campus ▁and ▁in ▁the ▁Department ▁of ▁App lied ▁Marine ▁Physics ▁at ▁the ▁Ros enst iel ▁School ▁of ▁Marine ▁and ▁At mos pher ic ▁Science ▁( RS MA S ). ▁ ▁In ▁ 2 0 0 1 , ▁he ▁was ▁awarded ▁the ▁Department ▁of ▁the ▁Navy ' s ▁Super ior ▁Public ▁Service ▁Award , ▁the ▁c itation ▁of ▁which ▁noted , ▁" Pro f essor ▁T app ert ' s ▁introduction ▁of ▁the ▁par abol ic ▁equation ▁propag ation ▁model ▁in ▁ 1 9 7 4 ▁started ▁a ▁revolution ▁in ▁the ▁under water ▁ac oust ics ▁model ing ▁community . ▁... ▁It ▁is , ▁in ▁large ▁part , ▁a ▁t ribute ▁to ▁Professor ▁T app ert ' s ▁super b ▁efforts ▁that ▁today ▁the ▁P E ▁model ▁is ▁the ▁de ▁fact o ▁standard ▁full ▁wave ▁propag ation ▁model ▁in ▁under water ▁ac oust ics ▁and ▁that , ▁in ▁a ▁practical ▁sense , ▁he ▁is ▁thought ▁of ▁as ▁the ▁' father ▁of ▁the ▁P E ▁model ' ." ▁ ▁T app ert ▁was ▁post hum ously ▁awarded ▁the ▁P