 In Warsaw , there were over 70 underground schools , with 2 @,@ 000 teachers and 21 @,@ 000 students . Underground Warsaw University educated 3 @,@ 700 students , issuing 64 masters and 7 doctoral degrees . Warsaw <unk> under occupation educated 3 @,@ 000 students , issuing 186 engineering degrees , 18 doctoral ones and 16 <unk> . <unk> University issued 468 masters and 62 doctoral degrees , employed over 100 professors and teachers , and served more than 1 @,@ 000 students per year . Throughout Poland , many other universities and institutions of higher education ( of music , theater , arts , and others ) continued their classes throughout the war . Even some academic research was carried out ( for example , by Władysław <unk> , a leading Polish philosopher , and <unk> <unk> , a linguist ) . Nearly 1 @,@ 000 Polish scientists received funds from the Underground State , enabling them to continue their research . 
