This author made "Eureka" the last word uttered by a character who works with Lemulquinier to discover the philosopher's stone but neglects his wife Josephine in the process. 
This author made "Eureka" the last word uttered by a character who works with Lemulquinier to discover the philosopher's stone but neglects his wife Josephine in the process. This creator of Balthasar Claes wrote about a criminal who is exposed after an old woman drugs his coffee, revealing him to be the famous "Trompe-la-Mort." This author of The Quest for the Absolute created a woman who gives her dowry to her cousin Charles so he can go to the Indies, as well as a man who discovers a talisman that shrinks each time it grants him a wish. This author also wrote about Delphine and Anastasie, the ungrateful daughters of a retired pasta maker befriended by Eugene de Rastignac. For 10 points, name this French author of Eugenie Grandet, The Wild Ass' Skin, and Le Pere Goriot.