Robert Paul Smith
Robert Paul Smith( April 16, 1915 – January 30, 1977) was an American author, most famous for his classic evocation of childhood," Where Did You Go? Out. What Did You Do? Nothing".
Friedrich Arnold
Friedrich Arnold (8 January 1803 – 5 July 1890) was professor emeritus of anatomy and physiology at Heidelberg.
He read medicine at the University of Heidelberg at the same time as his elder brother, Johann Wilhelm Arnold (1801–1873).
Arnold studied anatomy under Friedrich Tiedemann (1781–1861) and Vincenz Fohmann (1794-1837).
He became a doctor of medicine on 7 September 1825 at Heidelberg, where several years later, he became an associate professor.
From 1835, he worked at the universities of Zurich, Freiburg and Tübingen, returning to Heidelberg in 1852 as a professor of anatomy and physiology.
Following his retirement, he was replaced at Heidelberg by Carl Gegenbaur (1826-1903).
The auricular branch of the vagus nerve was nicknamed "Arnold's nerve" after he described the reflex of coughing when the ear is stimulated.
Other eponyms that contain his name are "Arnold's ganglion" (otic ganglion) and "Arnold's canal" (a passage of the petrous portion of the temporal bone for the auricular branch of the vagus nerve.
He was also privy counsellor in Heidelberg.
Nancy Baron
Nancy Baron is an American rock singer who was active in New York City in the early 1960s, known for the singles" Where Did My Jimmy Go?" and" I've Got A Feeling".
Benny Rubinstein
Benny Rubinstein is a former Israeli footballer who played in Maccabi Netanya and Hapoel Netanya, who now works in Real estate development.
http://www.haaretz.com/print-edition/real-estate/where-did-the-millions-go-1.302730
Benny's son, Aviram also played football for Maccabi Netanya.
Ernst Schwalbe
Ernst Theodor Karl Schwalbe (26 January 1871 – 16 March 1920) was a German pathologist, who specialized in teratological research.
Schwalbe was born in Berlin.
He studied medicine at the universities of Strassburg, Berlin and Heidelberg, and received his habilitation in 1900 with a thesis on blood coagulation.
Afterwards, he worked as an assistant under Julius Arnold at Heidelberg, and in 1907/08 served as prosector and head of the pathology-bacteriology clinic at the city hospital in Karlsruhe.
From 1908 to 1920 he was a full professor at the University of Rostock.
He was killed in Rostock while serving as a volunteer during the Kapp Putsch (1920).
Nicky Arnstein
Julius Wilford" Nicky" Arnstein( born Arndstein; July 1, 1879 October 2, 1965) was an American professional gambler and con artist.
He was known primarily as Julius Arnold, but among his aliases were" Jules Arndtsteyn Nick Arnold, Nicholas Arnold Wallace AmesJohn Adams", and" J. Willard Adair".
He was best known as the second husband of entertainer Fanny Brice.
Julius Arnold Koch
Julius Arnold Koch (August 15, 1864 – February 2, 1956) was an American chemist who was born in Germany.
Koch graduated from the University of Pittsburgh in 1884.
He was the first dean of the School of Pharmacy at the University of Pittsburgh and held this position until his retirement in 1932.
In 1897, he discovered, together with Ludwig Gattermann, the Gattermann-Koch reaction.
Andrew Allen (singer)
Andrew Allen( born 6 May 1981) is a Canadian- born singer- songwriter from Vernon, British Columbia.
He is signed to Sony/ ATV and has released 5 top 10 singles, and written and recorded many others, including" Where Did We Go?" with Carly Rae Jepsen.
He also records covers and posts them on YouTube.
Joseph J. Sullivan (vaudeville)
Joseph J. Sullivan was a blackface comedian and acrobat in New York.
He composed the song" Where Did You Get That Hat?" and first performed it in 1888.
It was a great success and he performed it many times thereafter.
Julius Arnold
Julius Arnold (August 19, 1835 – February 3, 1915) was a German pathologist born in Zurich.
He was the son of anatomist Friedrich Arnold (1803–1890).
He studied medicine at the Universities of Heidelberg, Prague, Vienna and Berlin, where he was a student of Rudolf Virchow (1821–1902).
In 1859 he became a doctor of medicine, and in 1866 he became a professor of pathological anatomy and director of the institute of pathology at Heidelberg.
Arnold was the author of 120 articles in the fields of histology and pathological anatomy.
With Austrian pathologist, Hans Chiari, his name is lent to a condition known as Arnold–Chiari malformation, a disorder that takes place when the cerebellar tonsils and the medulla oblongata protrude through the foramen magnum into the spinal canal, without displacing the lower brain stem.
Arnold described his pathological findings associated with the disorder from an infant who died shortly after delivery.
He published his account of the disorder in an 1894 paper titled Myelocyste, Transposition von Gewebskeimen und Sympodie.
In 1907, two of Dr. Arnold's students coined the eponym of "Arnold–Chiari malformation" in honor of the two scientists.
Arnold died in 1915 in Heidelberg.

Question: Where did Julius Arnold's father graduate from?
Answer: University of Heidelberg