An Elephant for Aristotle, is a 1958 historical novel by L. Sprague de Camp.
 It was first published in hardback by Doubleday, and in paperback by Curtis in 1971.
 The first British edition was published by Dobson in 1966.
 The book was reissued with a new introduction by Harry Turtledove as a trade paperback and ebook by Phoenix Pick in March 2013.
 It is the first of de Camp's historical novels in order of writing, and third chronologically.
American Empire: Blood and Iron is the first book of the "American Empire" trilogy of alternate history fiction novels by Harry Turtledove.
 It is a sequel to the novel "How Few Remain" and the "Great War" trilogy, and is part of the Southern Victory series.
Philip Milton Roth (born March 19, 1933) is an American novelist.
Worldwar: In the Balance is an alternate history and science fiction novel by Harry Turtledove.
 It is the first novel of the Worldwar tetralogy, as well as the first installment in the extended Worldwar series that includes the Colonization trilogy and the novel "Homeward Bound".
 The plot begins in late 1941, while the Earth is torn apart by World War II.
 An alien fleet arrive to conquer the planet, forcing the warring nations to make uneasy alliances against the invaders.
 Meanwhile, the aliens, who refer to themselves as the Race, discover that their enemy is far fiercer and more technologically advanced than expected.
American Empire: The Center Cannot Hold is the second book in the "American Empire" alternate history series by Harry Turtledove.
 It takes place during the period of the Roaring Twenties and the Great Depression (specifically from 1924 to March 4, 1934).
 During this era in Turtledove's Southern Victory world, the Confederate States of America, stretching from Sonora to Virginia, is led by Whigs (with the fascist Freedom Party gaining more and more power) while the United States of America (which has been occupying Canada, Newfoundland, the Bahamas, Bermuda, and the Sandwich Islands) is controlled by Socialists.
"The Road Not Taken" is a short story by Harry Turtledove, set in 2039, in which he presents a fictitious account of a first encounter between humanity and an alien race, the Roxolani.
 "Herbig-Haro" is another short story by Turtledove, which is the sequel to this one.
The Stolen Throne is a fantasy novel written by Harry Turtledove and set in the Videssos universe.
 It is the first book in the "Time of Troubles" tetralogy.
 The events depicted are strongly based on the historical interaction of Sassanid Persia and Byzantium in the 6th and 7th century.
 The first book depicts the rise of Sharbaraz (the analog to Khosrau II) to overcome the usurper Smerdis (Bahram Chobin) to become the King of Kings of Makuran (Persia) with the help of the Videssian Emperor Likinios (Maurice).
"The Wheels of If" is an alternate history science fiction story by American writer L. Sprague de Camp.
 It was first published in the magazine "Unknown Fantasy Fiction" for October, 1940, and first appeared in book form in de Camp's collection "The Wheels of If and Other Science Fiction" (Shasta, 1940).
 It later appeared in the paperback edition of the collection published by Berkley Books in 1970, in de Camp's subsequent collections "The Virgin & the Wheels" (Popular Library, 1976) and "" (NESFA Press, 2005), and in the anthology "" (Galahad Books, 1989).
 It also appeared, together with a sequel by Harry Turtledove, in "The Pugnacious Peacemaker/The Wheels of If" (Tor Books, 1990) and "Down in the Bottomlands and Other Places" (Baen Books, 1999).
 The story has also been translated into German.
Harry Norman Turtledove (born June 14, 1949) is an American novelist, best known for his work in the genres of alternate history, historical fiction, fantasy, and science fiction.
The Great War: American Front is the first alternate history novel in the Great War trilogy by Harry Turtledove.
 It is the second part of Turtledove's Southern Victory series of novels.
 It takes the Southern Victory Series from 1914 to 1915.

Question: Which of the American novelists Harry Turtledove and Philip Roth were born first?
Answer: Philip Milton Roth