us ▁de ▁Monte , ▁and ▁Johannes ▁Fl aming us . ▁A ▁complete ▁catalog ue ▁of ▁the ▁manuscript s ▁and ▁a ▁detailed ▁description ▁of ▁their ▁history ▁was ▁published ▁in ▁ 2 0 1 8 . ▁ ▁The ▁Eg id ius ▁K wart et ▁recorded ▁major ▁pieces ▁from ▁the ▁ 6 ▁cho ir books ▁in ▁ 6 ▁annual ▁ 2 CD ▁releases ▁from ▁ 2 0 1 0 - 2 0 1 5 . ▁ ▁References ▁ ▁Category : Culture ▁in ▁Le iden ▁Category : Med ieval ▁music ▁manuscript ▁sources <0x0A> </s> ▁Dr . ▁Peter ▁René ▁He int z ▁( Nov ember ▁ 6 , ▁ 1 9 2 0 ▁– ▁March ▁ 1 5 , ▁ 1 9 8 3 ) ▁was ▁a ▁Swiss ▁professor ▁of ▁soci ology ▁and ▁doctor ▁of ▁political ▁science ▁that ▁not ably ▁impact ed ▁on ▁the ▁extensive ▁academic ▁development ▁within ▁Latin ▁America ▁and ▁greater ▁Europe . ▁ ▁Life ▁Peter ▁He int z ▁was ▁born ▁on ▁the ▁ 6 th ▁of ▁November , ▁ 1 9 2 0 ▁as ▁the ▁son ▁of ▁a ▁merchant ▁in ▁Dav os , ▁Switzerland . ▁After ▁many ▁years ▁of ▁ad oles c ence ▁in ▁Spain ▁and ▁scientific ▁studies ▁in ▁Paris , ▁C ologne ▁and ▁Zur ich , ▁He int z ▁obtained ▁his ▁doctor ate ▁of ▁Political ▁Science ▁in ▁ 1 9 4 3 ▁from ▁the ▁University ▁of ▁Zur ich . ▁While ▁on ▁campus , ▁a ▁chance ▁encounter ▁with ▁German - born ▁soci ologist ▁René ▁König ▁was ▁particularly ▁important ▁for ▁his ▁interest ▁in ▁soci ology , ▁leading