▁Cambridge ▁University ▁in ▁ 1 9 5 7 , ▁purs uing ▁course work ▁in ▁quantum ▁theory ▁with ▁Paul ▁Di rac . ▁She ▁worked ▁under ▁the ▁super vision ▁of ▁Douglas ▁Hart ree , ▁whom ▁she ▁assist ed ▁in ▁programming ▁the ▁Electron ic ▁Del ay ▁Storage ▁Autom atic ▁Calcul ator ▁( ED S AC ) ▁for ▁atomic - structure ▁calculations . ▁ ▁She ▁served ▁on ▁the ▁mathematics ▁fac ulty ▁of ▁the ▁University ▁of ▁British ▁Columbia ▁from ▁ 1 9 5 7 ▁till ▁ 1 9 6 8 , ▁where ▁she ▁introduced ▁numerical ▁analysis ▁and ▁computer ▁courses ▁into ▁the ▁curr icul um ▁and ▁was ▁instrument al ▁in ▁the ▁formation ▁of ▁the ▁Computer ▁Science ▁Department . F ro ese ▁Fischer ▁spent ▁ 1 9 6 3 - 6 4 ▁at ▁the ▁Harvard ▁College ▁Observ atory , ▁where ▁she ▁extended ▁her ▁research ▁on ▁atomic - structure ▁calculations . ▁While ▁at ▁Harvard , ▁she ▁was ▁the ▁first ▁woman - s cient ist ▁to ▁be ▁awarded ▁an ▁Alfred ▁P . ▁Slo an ▁Fellow ship . ▁In ▁ 1 9 9 1 ▁she ▁became ▁a ▁Fellow ▁of ▁the ▁American ▁Phys ical ▁Society , ▁in ▁part ▁for ▁her ▁contribution ▁to ▁the ▁discovery ▁of ▁negative ▁calci um . ▁In ▁ 1 9 9 5 ▁she ▁was ▁elected ▁a ▁member ▁of ▁the ▁Royal ▁Phys i ographic ▁Society ▁in ▁Lund , ▁in ▁ 2 0 0 4 ▁a ▁foreign ▁member ▁of ▁the ▁Lith uan ian ▁Academy ▁of ▁Sciences , ▁and ▁in ▁ 2 0 1 5 ▁she ▁was ▁awarded ▁an ▁Honor ary ▁Doctor ate ▁in