, ▁and ▁John ▁T ann ' s ▁name ▁disappear ing , ▁with ▁the ▁comment ▁" How ▁the ▁mighty ▁are ▁fallen ... ". ▁▁ ▁Mon oc le ▁magazine ▁described ▁Gun ne bo ▁as ▁having ▁" key ▁hold ings " ▁including ▁" F rench ▁lock sm ith ▁giant ▁Fich et - B au che ". ▁ ▁References ▁ ▁External ▁links ▁▁▁ ▁Category : Br ands ▁Category : Man ufact uring ▁companies ▁of ▁France <0x0A> </s> ▁Rein hart ▁Jan ▁Maria ▁Ce ule mans ▁( born ▁on ▁ 1 5 ▁January ▁ 1 9 5 4 ▁in ▁Ant werp , ▁Belg ium ) ▁is ▁an ▁emer it us ▁professor ▁of ▁E col ogy ▁and ▁previous ▁director ▁of ▁the ▁Research ▁Center ▁of ▁Ex cell ence ▁P LE CO ▁of ▁the ▁University ▁of ▁Ant werp . ▁He ▁has ▁been ▁vice - de an ▁of ▁the ▁Fac ulty ▁of ▁Sciences ▁at ▁the ▁University ▁of ▁Ant werp , ▁and ▁was ▁a ▁visit ing ▁professor ▁at ▁the ▁University ▁of ▁Washington , ▁Seattle , ▁USA ▁( 1 9 8 7 - 1 9 8 8 ), ▁at ▁the ▁Univers ité ▁Paris - S ud ▁XI , ▁Or say ▁( France , ▁ 1 9 8 9 ) ▁and ▁at ▁the ▁University ▁of ▁Gh ent ▁( Bel g ium , ▁ 2 0 1 3 - 2 0 1 9 ). ▁He ▁officially ▁retired ▁in ▁October ▁ 2 0 1 9 ▁and ▁is ▁now ▁a ▁visit ing ▁professor ▁at ▁the ▁University ▁of ▁Ant werp ▁( Bel g ium ), ▁a ▁research er ▁at ▁Czech