Background
Henderson, Isaac was born on February 13, 1850 in Brooklyn, New York, United States.
Henderson, Isaac was born on February 13, 1850 in Brooklyn, New York, United States.
After an early education in private schools and under tutors, he graduated from Williams College with the degrees of Bachelor and Master of Arts, and Doctor of Civil Law.
Selling his interest in the Evening Post in 1881, he went to Europe and lived in London and Rome. In 1896 he became a Roman Catholic, adopting the name of Austin at his Confirmation. In 1903 he was appointed private chamberlain to Pope Pius X.
In 1872 he became connected with the New York Evening Post, which his father owned in partnership with William Cullen Bryant and John Bigelow, became assistant publisher in 1875, and from 1877 was publisher, stockholder, and member of the Board of Trustees.
Married Marion Temple Brown, February 13, 1880.