Porter was born in Boston, Massachusetts. He was the son of Albert de Lance (D.) Porter, who was first a printer in Boston, and then a publisher in New York City as owner of the A. D. Porter Co. His mother, Louella née Root, was born in Ohio and raised in Massachusetts. , Harvard University He attended
Harvard College winning a scholarship in the year 1906–1907. He was on the
lacrosse team in 1906–1907. Porter was the editor of the
Harvard Lampoon from 1906 to 1909 and an editor of the
Harvard Advocate, the campus literary magazine, from 1907 to 1909. He shared Room 13 in
Holworthy Hall, the freshman's dormitory, with John Mansfield Groton, next door to
Robert Middlemass (with whom he collaborated on
The Valiant) and the artist Julian Ellsworth Garnsey in Room 14. After graduating in 1909 he worked at the Boston publisher
Little, Brown & Co., and then with his father's firm at the A.D. Porter Company. The firm published a monthly magazine,
The Housewife, which he edited. His first short story under the pseudonym Holworthy Hall was printed in
The Saturday Evening Post, and he continued to write short stories for the rest of his life. In 1916, he was named the president of the A. D. Porter Company. His short story "The Same Old Christmas Story" appeared in the 1,000th edition (or so) of the
Harvard Advocate in May 1916. He was characterised in a review in the rival
Harvard Crimson as a "noble graduate of 1907, with a bank account, a tender heart and too much leisure." During
World War I he served in the office of the
Secretary of War in Washington, D.C., working in the
Military Intelligence Division, as a first lieutenant and then captain. He continued to publish stories, and was demobilized as a major in the Officer Reserve Corps. His two non-fiction books date from this period. He joined the
Skaneateles Country Club in 1920. He moved to France to escape the US, living in Paris and Cannes, in a house overlooking the Mediterranean. Playing golf was a particular passion, and he wrote less and less. His marriage ended in divorce, and he returned to the US alone to live in Connecticut. He continued to write stories and died in
Torrington of pneumonia, aged 48. ==Personal life==