English Jesuit priest, philosopher of love, and a correspondent, friend, and adviser to a range of literary and artistic figures including Evelyn Waugh, Dorothy L. Sayers, W. H. Auden, Eric Gill and
Sir Edwin Lutyens. He has been described as "perhaps England's foremost Catholic public intellectual from the 1930s until his death".
 
SP - Signed Photograph: Color snapshot 3.5"x3.5" dedicated and signed on the verseo 3/24/1970. Reads:  Very Rev. Martin C. D'Arcy, SJ, against the flowering background of a rambler rose at Marycrest Manor (London).  to John Christopher and Robert  F. Allen, Martin D'Arcy, SJ. Accompanied by original mailing envelope in the hard of D'Arcy.
 
D'Arcy spent much of his working life at the English Jesuit house in Oxford, Campion Hall, but also spent periods in residence at American universities, including Georgetown University, Gonzaga University, Cornell, and at the Institute for Advanced Study in Princeton, New Jersey. Among the converts he received into the church was the German-Jewish Baroness Vera von der Heydt.
 
His major work is The Mind and Heart of Love, published by T. S. Eliot at Faber and Faber in 1945, which explores theological relation of eros love and agape love. His book The Pain of This World (1935) was on the problem of evil.