9 9 ▁bal let ▁premier es ▁Category : New ▁York ▁City ▁Bal let ▁re pert ory ▁Category : Sw an ▁Lake <0x0A> </s> ▁Paul ▁M end els so hn ▁Bar th old y ▁( born ▁Paul ▁Felix ▁Abraham ▁M end els so hn ▁Bar th old y ; ▁ 1 8 ▁January ▁ 1 8 4 1 , ▁Leipzig ▁– ▁ 1 7 ▁February ▁ 1 8 8 0 , ▁Berlin ) ▁was ▁a ▁German ▁chem ist ▁and ▁a ▁pione er ▁in ▁the ▁manufact ure ▁of ▁an il ine ▁d ye . ▁He ▁co - f ounded ▁the ▁Akt ien - G es ellschaft ▁für ▁An il in - F ab rik ation ▁( AG FA ), ▁a ▁German ▁chemical ▁company . ▁ ▁He ▁is ▁not ▁to ▁be ▁confused ▁with ▁his ▁uncle , ▁the ▁bank er ▁Paul ▁M end els so hn - Bar th old y , ▁who ▁was ▁the ▁son ▁of ▁his ▁grand father ▁Abraham ▁M end els so hn ▁Bar th old y . ▁ ▁Life ▁Paul ▁M end els so hn ▁Bar th old y ▁was ▁the ▁second ▁son ▁of ▁the ▁composer ▁Felix ▁M end els so hn ▁Bar th old y ▁and ▁C é cile ▁Charlotte ▁Soph ie ▁Jean ren aud . ▁His ▁a unt ▁was ▁F anny ▁M end els so hn . ▁His ▁grand father ▁was ▁Abraham ▁M end els so hn ▁Bar th old y . ▁His ▁mat ernal ▁great - grand father ▁was ▁Daniel ▁It zig , ▁and ▁his ▁pat ernal ▁great - grand