▁was ▁a ▁regular ▁member ▁of ▁the ▁North ▁Rh ine - West phal ian ▁Academy ▁of ▁Sciences , ▁the ▁Bav arian ▁and ▁Aust rian ▁Academ ies ▁of ▁Sciences ▁and ▁a ▁corresponding ▁member ▁of ▁the ▁Ac adémie ▁des ▁Sciences , ▁In scri ptions ▁et ▁B elles - Let tres ▁in ▁Toul ouse . ▁ ▁He ▁was ▁awarded ▁the ▁Pierre ▁F erm at ▁Medal ▁and ▁the ▁Medal ▁of ▁the ▁University ▁of ▁J y vä sk yl ä , ▁Finland , ▁in ▁ 1 9 6 5 . ▁ ▁Personal ▁life ▁▁ ▁P esch l ▁married ▁Maria ▁Stein , ▁a ▁phys ician , ▁in ▁ 1 9 4 0 , ▁and ▁had ▁one ▁daughter , ▁G is ela . ▁ ▁Publications ▁▁ ▁Über ▁die ▁Kr ü mm ung ▁von ▁N iveau kur ven ▁bei ▁der ▁kon form en ▁Abb ild ung ▁ein fach z usammen häng ender ▁Gebiet e ▁auf ▁das ▁Inn ere ▁eines ▁Kre ises . ▁Eine ▁Ver all geme iner ung ▁eines ▁S atz es ▁von ▁E . ▁Study ▁(" On ▁the ▁curv ature ▁of ▁level ▁curves ▁of ▁the ▁conform al ▁mapping ▁of ▁simply ▁connected ▁domains ▁to ▁the ▁interior ▁of ▁a ▁circle : ▁A ▁general ization ▁of ▁a ▁theorem ▁of ▁Edu ard ▁Study "), ▁Mathemat ische ▁Ann alen ▁ 1 0 6 , ▁ 1 9 3 2 , ▁pp .   5 7 4 – 5 9 4 ▁ ▁Zur ▁The orie ▁der ▁sch licht en ▁Fun ktionen ▁(" On ▁the ▁theory ▁of ▁sch licht ▁functions "), ▁C rel le ' s ▁Journal ▁