Kammala wannan jumla: Yayin da a Pakistan, a tsakiyar
Yaƙin Indo-Pak na 1971, Qadir yana aiki a matsayin babban jami'in bincike a Jami'ar Islamabad. Bayan taron Multan, wanda aka gudanar a ranar 20 ga Janairu, 1972, abokan aikin Qadir da takwarorinsa sun ɓace daga harabar makarantar. Abokin kusa na Qadir Riazuddin ya gayyace shi zuwa Nilore don ci gaba da gudanar da bincikensa na ci gaba a Hukumar Kula da Makamashi ta Pakistan (PAEC). A matsayinsa na fitaccen masanin lissafi, an ba Qadir aikin yin lissafin mahimmin taro da lissafin ƙididdigar ƙididdigar lissafi. Qadir, da farko, ya ɗauki hanyar Monte Carlo don kimanta rikitattun ƙididdigar lissafi waɗanda suka taso a cikin ka'idar halayen sarkar nukiliya. An kawo lissafin ilmin lissafi ga Riazuddin, amma Riazuddin ya riga ya ɗauki hanyar a baya. Duk da lissafin Riazuddin da nasa, Qadir ya kusanci hanyar da ta fi dacewa don haɓaka na'urar fission.