Johann Frederik Eijkman
Johan Fredrik Eykman or Johann Frederik Eijkman( 19 January 1851 – 7 January 1915) was a Dutch chemist.
Johann Nepomuk Karl, Prince of Liechtenstein
Johann Nepomuk
Karl, Prince of Liechtenstein( Johann Nepomuk Karl Borromäus Josef Franz de Paula; 6 July 1724 – 22 December 1748) was the Prince of Liechtenstein between 1732 and 1748.
He was the son of Johann Josef Adam.
Phillippa Langrell
Phillippa Langrell( born 4 July 1972) is a New Zealand swimmer who represented her country at the 1992 Summer Olympics and at the 1990 Commonwealth Games and 1994 Commonwealth Games.
Langrell first hit the water when she was three years old and started training a couple of years later, by the age of ten she was selected for the national team for her age and was swimming at senior level when she was 16 years old.
In 1989, she won the South Canterbury Sportsperson of the Year.
Langrell won a Commonwealth bronze medal at the 1990 Commonwealth Games in the 4 x 200 metre freestyle relay, this was after two fourth places in the 400 and 800 metre freestyle events.
Two years later, aged twenty she went to the 1992 Summer Olympics in Barcelona to compete in three events, in the 400 metre freestyle she broke the National record in the heats swimming in a time of 4:14.0 and finished ninth just 00.15 of a second from reaching the final, in the B Final she won and again broke her National record this time in a time of 4:12.96, next up was the 800 metre freestyle in the heats she finished fifth, so qualified for the final, where she finished fourth just over four and a half seconds behind the German Jana Henke who won the bronze, again both in the heat and final Langrell broke the national record.
In her other event the 400 metre individual medley she again broke the national record but could only finish in 17th place so did n't qualify for the finals.
Langrell also competed in the 1994 Commonwealth Games, where she finished 4th in the 800 metre freestyle and 6th in the 400 metre freestyle events.
After retiring she gained Bachelor of Science degree majoring in psychology at the University of Canterbury before graduating from the New Zealand College of Chiropractic in Auckland, Langrell has been a practicing chiropractic since 1999.
Johann Nepomuk David
Johann Nepomuk David( 30 November 1895 – 22 December 1977) was an Austrian composer.
Amadeus Webersinke
Amadeus Webersinke was a German pianist and organist.
Webersinke studied from at the Institut für Kirchenmusik in Leipzig with Karl Straube, Johann Nepomuk David, and Otto Weinreich.
He was a lecturer at the Felix Mendelssohn College of Music and Theatre.
Until 1953, he worked mainly as an organist, and later only as a pianist.
Webersinke was particularly devoted to Bach's organ and piano works and also gave concerts on the clavichord.
He recorded Max Reger's Piano Concerto. 1966, he assumed a professorship at the Hochschule für Musik Carl Maria von Weber Dresden.
Helmut Eder
Helmut Eder( December 26, 1916, Linz – February 8, 2005, Salzburg) was an Austrian composer.
Eder studied until 1948 at the Linz Conservatory, later studying with Johann Nepomuk David in Stuttgart and Carl Orff in Munich.
Returning to Linz, he became a teacher at the Linz Conservatory, accepting a position as full professor in 1962.
He also conducted the" Singakademie" in Linz from 1953 – 60 and founded an electronic music studio in the city in 1959.
He became professor of composition at the Salzburg Mozarteum in 1967.
Eder composed in a wide variety of traditional genres, and also wrote scores for film, television, and radio.
Johann Ender
Johann Nepomuk Ender( 3 November 1793 Vienna – 16 March 1854 Vienna) was an Austrian painter.
Peter Johann Nepomuk Geiger
Peter Johann Nepomuk Geiger( 11 January 1805 – 29 October 1880) was a Viennese artist.
Johann Nepomuk Sepp
Johann Nepomuk Sepp( 7 August 1816 – 5 June 1909) was a German historian and politician, and a native of Bavaria.
Miloš Zličić
Miloš Zličić( born 29 December 1999) is a Serbian football forward.
He is a younger brother of Lazar Zličić.

Question: Who is younger, Phillippa Langrell or Johann Nepomuk David?