sentences:  Arthur Greene Everett and Samuel W. Mead, former draftsmen of Edward Clarke Cabot, joined as principals of the firm in 1885.Cabot is best known for his design of the Boston Athenaeum.Under Everett and Mead, after Cabot’s retirement in 1888, the firm designed a large shingle style home in Nova Scotia for Alexander Graham Bell four years before their work at First Parish.