Complex sentence: Huysmans was also known for his art criticism in "L'Art moderne" (1883) and "Certains" (1889) and as a founding member of the Académie Goncourt.
Split into simpler sentences: Huysmans was also known for his art criticism: "L'Art moderne" (1883) and "Certains" (1889). He was a founding member of the Académie Goncourt.