He was an influential figure in the twentieth century with regard to the Catholic church 's relationship with Islam .
Louis Massignon ( 25 July 1883 -- 31 October 1962 ) was a Catholic scholar of Islam and a pioneer of Catholic - Muslim mutual understanding .
Louis Massignon was an influential figure in the twentieth century with regard to the Catholic church 's relationship with Muslim .
Louis Massignon ( 25 July 1883 -- 31 October 1962 ) was a Catholic scholar of Islam and a pioneer of Catholic - Muslim mutual understanding .