▁F lying ▁Corps . ▁He ▁was ▁shot ▁down ▁behind ▁enemy ▁lines ▁on ▁ 2 6 ▁May ▁ 1 9 1 7 ▁and ▁taken ▁prisoner , ▁esc aping ▁several ▁times . ▁ ▁Medical ▁ ▁After ▁the ▁war , ▁Mac int osh ▁trained ▁at ▁Gu ys ▁Hospital ▁Medical ▁School , ▁qual ifying ▁MR CS ▁L R CP ▁in ▁ 1 9 2 4 ▁and ▁FR CS ▁Ed ▁in ▁ 1 9 2 7 . ▁While ▁studying ▁surg ery , ▁he ▁earned ▁a ▁living ▁by ▁giving ▁dent al ▁an a est het ics ▁and ▁developed ▁an ▁interest ▁in ▁an a est het ics . ▁ ▁In ▁ 1 9 3 6 , ▁the ▁University ▁of ▁Oxford ▁approached ▁Lord ▁N uff ield ▁to ▁consider ▁end ow ing ▁three ▁ch airs ▁in ▁medicine , ▁surg ery , ▁and ▁obst et rics ▁and ▁g yna ec ology . ▁N uff ield , ▁who ▁had ▁received ▁an ▁an a est h etic ▁from ▁Mac int osh , ▁agreed , ▁but ▁against ▁the ▁university ' s ▁wishes , ▁ins isted ▁on ▁the ▁addition ▁of ▁a ▁chair ▁in ▁an a est het ics , ▁to ▁be ▁held ▁by ▁Mac int osh . ▁They ▁could ▁not ▁ignore ▁the ▁£ 2 ▁million ▁on ▁offer ▁and ▁Mac int osh ▁took ▁up ▁his ▁appointment ▁in ▁February ▁ 1 9 3 7 , ▁the ▁first ▁professor ▁of ▁an a est het ics ▁outside ▁America . ▁ ▁In ▁the ▁Second ▁World ▁War , ▁Mac int osh ▁held ▁the ▁rank ▁of ▁Air ▁Com mod ore ▁and ▁trained ▁an a