1 9 4 2 ▁to ▁ 1 9 4 5 ▁at ▁the ▁Royal ▁Or dn ance ▁factory ▁at ▁Thor p ▁Arch , ▁West ▁York shire . ▁She ▁worked ▁for ▁about ▁two ▁years ▁as ▁a ▁li br arian ▁at ▁the ▁Ge ological ▁Society ▁in ▁London ▁before ▁en rolling ▁for ▁ge ology ▁at ▁the ▁University ▁College ▁London ▁in ▁ 1 9 4 7 . ▁She ▁was ▁influenced ▁at ▁university ▁by ▁J . ▁B . ▁S . ▁H ald ane ▁and ▁Walter ▁Georg ▁K üh ne . ▁Gr adu ating ▁in ▁ 1 9 5 1 ▁with ▁first - class ▁hon ours , ▁he ▁continued ▁post - grad uate ▁research ▁and ▁became ▁an ▁assistant ▁lect urer ▁in ▁zo ology ▁in ▁the ▁department ▁head ed ▁by ▁Peter ▁Med aw ar ▁and ▁later ▁Av r ion ▁Mitch ison . ▁She ▁received ▁a ▁Ph . D ., ▁the ▁last ▁of ▁D . ▁M . ▁S . ▁Watson ' s ▁students , ▁in ▁ 1 9 5 7 ▁for ▁her ▁studies ▁on ▁the ▁gl iding ▁l izard ▁K ue h ne osa urus ▁but ▁she ▁also ▁studied ▁the ▁strat ig raph y ▁and ▁foss ils ▁of ▁the ▁M end ip ▁Hills ▁in ▁Gl ouc esters hire . ▁She ▁published ▁on ▁the ▁Late ▁Tri ass ic ▁fa una ▁of ▁the ▁Br istol ▁Channel . ▁She ▁was ▁invited ▁through ▁the ▁influence ▁of ▁H ald ane ▁to ▁the ▁Indian ▁Statist ical ▁Institute ▁at ▁Cal cut ta ▁by ▁Pr as anta ▁Ch andra ▁Mah al an ob is ▁and ▁helped ▁establish ▁a ▁ge ology