William Dennison McCrackan (1864 – June 12, 1923) was an American journalist and author of books on history and travel.

[1] He graduated from St. Paul's School in Concord, New Hampshire[2] and Trinity College in Hartford in 1885,[3] afterward traveling to Europe to continue his education at the Heidelberg University in Germany.

[1][2] Politically progressive, he was well known in literary circles, was a member of the Authors' Club in New York City[6] and was friends with Hamlin Garland, Henry George and Lord Bryce.

"[8] McCrackan converted to Christian Science in 1900[9] and became active with the church organization, first serving as Committee on Publication for the state of New York for three years.

[12] McCrackan, a Christian Science practitioner and teacher, began lecturing on the religion in 1904 and was elected First Reader of The Mother Church in 1905.