▁Category : At mos pher ic ▁disp ersion ▁model ing ▁Category : W aste ▁legisl ation ▁in ▁the ▁United ▁Kingdom ▁Category : W aste ▁organizations ▁Wales ▁Category : Environment al ▁organis ations ▁based ▁in ▁Wales <0x0A> </s> ▁Jean ▁V ▁de ▁B ueil ▁( after ▁ 1 7 ▁August ▁ 1 4 0 5 ▁and ▁before ▁ 1 8 ▁August ▁ 1 4 0 6 ▁- ▁ 1 4 7 8 ), ▁called ▁le ▁Fl é au ▁des ▁Ang lais ▁" pl ague ▁of ▁the ▁English ", ▁count ▁of ▁San cer re , ▁vis count ▁of ▁Car ent an , ▁lord ▁of ▁Montr és or , ▁Ch âteau - la - Val li ère , ▁Saint - Cal ais , ▁V au jours , ▁U ss é ▁and ▁V ail ly , ▁son ▁of ▁ ▁Jean ▁IV ▁de ▁B ueil ▁and ▁Mar guer ite ▁D au ph ine ▁of ▁Au ver g ne . ▁He ▁is ▁the ▁author ▁of ▁Le ▁J ou ven cel ▁( c .   1 4 6 6 ), ▁a ▁semi - aut obi ographical ▁roman ▁a ▁cle f ▁based ▁on ▁his ▁experiences ▁during ▁the ▁latter ▁part ▁of ▁the ▁H undred ▁Years ▁War . ▁ ▁Career ▁Jean ▁de ▁B ueil ▁began ▁his ▁military ▁career ▁as ▁a ▁page ▁of ▁the ▁Count ▁of ▁Nar bon ne ▁and ▁was ▁present ▁at ▁the ▁Battle ▁of ▁Ver ne uil . ▁Later ▁he ▁served ▁under ▁mer cen ary ▁captain ▁Ét ienne ▁de ▁V ign ol les , ▁known ▁as ▁La ▁H ire . ▁He ▁was ▁made