Grant, Robert, 1852-1940 (Personal Name)
His The art of living ... 1899.
Benet's Reader's Encyclopedia of American Literature, via Literature resource center WWW site, Feb. 20, 2019 (Grant, Robert; born 1852, Boston, died 1940; lawyer, judge, novelist, essayist, poet; published the novels The Average Man (1883), Unleavened Bread (1900), The Undercurrent (1904), The Orchid (1905), The Chippendales (1909), and The Bishop's Granddaughter (1925), and the autobiography Fourscore (1934))