Question: Mnaseas is reckoned to have been a pupil of a scholar who was chief librarian at what library?
Context: Russell Shank (September 2, 1926 – June 26, 2012) was an American librarian.  Shank studied electrical engineering at the University of Washington and earned a bachelor's degree in electrical engineering in 1946.  He went on to receive a bachelor's in librarianship in 1949, also from the University of Washington.  Shank went on to receive a master's in business administration from the University of Wisconsin and a doctorate in library science from Columbia University.  He served as an assistant university librarian at the University of California Berkeley from 1959 to 1964 and was a member of the faculty of the Columbia University library school.  Shank was the first director of libraries at the Smithsonian Institutionfrom 1968 to 1977.  In 1977, he was named chief librarian at the University of California - Los Angeles (UCLA) until he retired from that position in 1989.  Shank was also a professor emeritus in UCLA's Graduate School of Education and Information Studies. George Herbert Locke (March 29, 1870 – January 28, 1937) was a Canadian librarian.  He was chief librarian of the Toronto Public Library from 1908 until his death, a time of great expansion in that library system.  In 1926-27 he became the second Canadian to be president of the American Library Association.  The George H. Locke Memorial Branch of the Toronto Public Library, which opened in 1949, is named after him. Frank Pierce Hill (August 22, 1855 – August 28, 1941) was an American librarian.  Hill served as president of the American Library Association from 1905 to 1906 and the American Library Institute 1912 to 15.  Hill was the first director of the Newark Public Library from 1889 to 1901, when he left Newark to serve as Chief Librarian of the Brooklyn Public Library.  Hill served in that position until his retirement in 1930. Linden Hills Library is a public library in the Linden Hills neighborhood of southwest Minneapolis, Minnesota, United States.  The branch library originally opened in 1911 on the first floor of the Lake Harriet Commercial Club building.  In 1931, under the leadership of Minneapolis Public Library's chief librarian Gratia Countryman, the library moved into its own building on 2900 West 43rd Street.  Area resident Joseph Victor Vanderbilt designed the library in the Tudor Revival style.  Head librarian Edith Frost served for over thirty years.  The library has also hosted community groups such as children's clubs, neighborhood groups, and women's organizations.  The library was listed on the National Register of Historic Places in 2000 and renovated in 2002. Wilhelm Brambach (17 December 1841 – 26 February 1932) was a German classical scholar, music historian, and librarian.  He was the son of organ builder Franz Jacob Brachmann and the brother of composer and choral conductor Caspar Joseph Brambach.  He studied classical philology with Friedrich Ritschl and musicology with Heinrich Breidenstein at the University of Bonn.  He worked as a librarian at Bonn University from 1862–1866, after which he was appointed Chief Librarian at the University Library Freiburg in 1866, a position he held for the next 38 years.  He also con-currently served as a full professor of philology at the University of Freiburg from 1868 until his retirement in 1904. Hans Osterfeld "H.O." Lange (October 13, 1863 - January 15, 1943) was a Danish librarian and egyptologist.  Lange was born in Aarhus to Hans and Catherine Lange.  He expressed interest in hieroglyphics as a young man.  He graduated from Aarhus Cathedral School in 1881 and studied at the University of Copenhagen, graduating in 1882.  In 1883 he was hired at the university library and in 1885 he joined the Royal Library.  From 1899 to 1900 he was employed at the Egyptian Museum in Cairo.  He became Chief Librarian at the Royal Library in 1901 and served in that role through 1924.  He showed great interest in incunabula and increased the library's collection in that area during his tenure. Eratosthenes of Cyrene ( ; Greek: Ἐρατοσθένης ὁ Κυρηναῖος , ] ;  – ) was a Greek mathematician, geographer, poet, astronomer, and music theorist.  He was a man of learning, becoming the chief librarian at the Library of Alexandria.  He invented the discipline of geography, including the terminology used today. Helen Sanger (born 21 September 1923) served as the fifth Chief Librarian of the Frick Art Reference Library and the institution's first Andrew W. Mellon Chief Librarian, a position inaugurated in 1992. Mnaseas of Patrae (Ancient Greek: Μνασέας ὁ Πατρεύς ) or of Patara, whether that in Lycia or perhaps the Patara in Cappadocia was a Greek historian of the late 3rd century BCE, who is reckoned to have been a pupil in Alexandria of Eratosthenes.  His "Periegesis" or "Periplus" described Europe, Western Asia and North Africa, but whether in six or eight books cannot now be determined.  His "On Oracles" appears to have consisted of a catalogue of oracular responses with commentary.  Only fragments of his work survive, some found in fragmentary papyri at Oxyrhynchus, others embedded as scholia or as quotations in other works, often selected, apparently, because of the unusual interpretations they offer. Patricia J. Barnett (born 26 November 1942) served as the sixth Chief Librarian and second Andrew W. Mellon Chief Librarian of the Frick Art Reference Library.
Answer: Library of Alexandria