▁R app , ▁R app ▁was ▁born ▁into ▁a ▁Catholic ▁and ▁patri otic ▁family . ▁He ▁did ▁his ▁secondary ▁studies ▁at ▁the ▁Jean ▁St urm ▁G ymnasium ▁and ▁pract iced ▁sc out ing ▁within ▁the ▁Sc outs ▁de ▁France . ▁Bre aking ▁with ▁forced ▁incorpor ation , ▁he ▁joined ▁a ▁c land est ine ▁sc out ing ▁group ▁that ▁gathered ▁about ▁twenty ▁young ▁people ▁at ▁the ▁Mont ▁Sainte - O d ile ▁from ▁December ▁ 1 9 4 2 . ▁At ▁the ▁end ▁of ▁the ▁ 1 9 6 0 s ▁he ▁joined ▁the ▁Association ▁des ▁Gu ides ▁et ▁Sc outs ▁d ' Europe ▁and ▁was ▁commission er ▁of ▁the ▁Als ace ▁Province ▁until ▁the ▁mid - 1 9 8 0 s . ▁ ▁Academ ic ▁career ▁ ▁R app ▁graduated ▁as ▁a ▁major ▁of ▁the ▁ ▁in ▁ 1 9 5 2 , ▁then ▁was ▁a ▁teacher ▁at ▁the ▁Ly c ée ▁F ust el - de - C ou lang es ▁de ▁Str as bourg ▁between ▁ 1 9 5 2 ▁and ▁ 1 9 5 3 ▁and ▁a ▁resident ▁of ▁the ▁F ond ation ▁D os ne - Th iers ▁from ▁ 1 9 5 6 ▁to ▁ 1 9 6 1 ; ▁he ▁was ▁a ▁lect urer ▁at ▁the ▁fac ulté ▁des ▁let tres ▁de ▁Nancy ▁from ▁ 1 9 6 1 ▁to ▁ 1 9 7 2 , ▁then ▁an ▁assistant ▁in ▁medieval ▁history ▁at ▁the ▁Marc ▁Blo ch ▁University ▁of ▁Str as bourg . ▁After ▁becoming ▁a