The Bryn Mawr College Deanery was the campus residence of the first Dean and second President of Bryn Mawr College, Martha Carey Thomas, who maintained a home there from 1885 to 1933. Under the direction of Thomas, the Deanery was greatly enlarged and lavishly decorated for entertaining the college's important guests, students, and alumnae, as well as Thomas’ own immediate family and friends.From its origins as a modest five room Victorian cottage, the Deanery grew into a sprawling forty-six room mansion which included design features from several notable 19th and 20th century artists. The interior was elaborately decorated with the assistance of the American artist Lockwood de Forest and Louis Comfort Tiffany, de Forest's partner in the design firm Tiffany & de Forest, supplied a number o