. ▁In ▁ 1 9 4 8 , ▁Gr un er ▁became ▁partner ▁in ▁his ▁late ▁father ' s ▁company . ▁As ▁the ▁responsible ▁for ▁the ▁Public ▁Works ▁Department , ▁Gr un er ▁directed ▁the ▁construction ▁of ▁power ▁plants , ▁rail ways ▁and ▁ir rig ation ▁systems ▁in ▁India , ▁Pakistan , ▁Sy ria , ▁Sud an ▁and ▁Uruguay . ▁ ▁In ▁ 1 9 7 6 ▁he ▁was ▁asked ▁by ▁a ▁sub comm ittee ▁of ▁the ▁United ▁Nations ▁General ▁Assembly ▁to ▁survey ▁the ▁damage ▁caused ▁to ▁the ▁Sy rian ▁town ▁of ▁Q une it ra ▁during ▁the ▁Israel - S y rian ▁wars ▁in ▁ 1 9 6 7 ▁and ▁in ▁ 1 9 7 3 . ▁Gr un er ▁worked ▁with ▁team ▁of ▁Swiss ▁engine ers ▁and ▁military ▁exper ts , ▁who ▁lived ▁in ▁the ▁town ▁for ▁four ▁months ▁and ▁exam ined ▁every ▁recogn izable ▁structure . ▁ ▁They ▁concluded ▁that ▁some ▁damage ▁had ▁been ▁caused ▁by ▁the ▁war fare , ▁however ▁most ▁of ▁the ▁damage ▁had ▁been ▁the ▁result ▁of ▁deliber ate ▁destruction ▁by ▁heavy ▁mach in ery . ▁Gr un er ' s ▁report ▁served ▁as ▁a ▁confirm ation ▁of ▁the ▁Sy rian ▁alleg ation ▁that ▁Israel ▁deliber ately ▁destroyed ▁the ▁town ▁after ▁the ▁ 1 9 7 3 ▁War , ▁before ▁hand ing ▁it ▁back ▁to ▁Sy rian ▁civil ▁control ▁according ▁to ▁the ▁ce ase fire ▁agre ements . ▁ ▁The ▁UN ▁General ▁Assembly ▁adopted ▁his ▁report . ▁ ▁References ▁ ▁Category : Sw iss ▁railway ▁mechanical ▁engine