Question: How does the employer of David Latchman rank when compared to the world's best colleges and universities?

full_context: Document 1: Mark Litchman: Born in Seattle, he is the son of prominent lawyer Mark M. Litchman. He attended the University of Washington in sociology and with an LL.B. A veteran of World War II, having served in the United States Navy, he is an attorney and former president of a real estate firm.
Document 2: Raymond Dwek: Dwek was educated at Carmel College, then the University of Manchester, where he studied chemistry (1960–64). He then went to Lincoln College, Oxford, where he completed his DPhil in physical chemistry in 1966. He is a professorial fellow of Exeter College, Oxford and director of the Oxford Glycobiology Institute, which he founded in 1991. From 2000 to 2006 he was also head of the Department of Biochemistry. He is a member of the Board of Scientific Governors at The Scripps Research Institute. Dwek is president of the Institute of Biology, scientific advisor to the president of Ben-Gurion University of the Negev in Israel and the Institute of Biochemistry in Bucharest.
Document 3: David Latchman: Born into a Jewish family, Latchman was educated at The Haberdashers' Aske's Boys' School and received his doctorate from University of Cambridge before undertaking postdoctoral research at Imperial College London and in the Department of Biology at University College London. He worked in the Medical Molecular Biology Unit at UCL, and Middlesex School of Medicine. He has been Professor of Molecular Pathology and Director of the Windeyer Institute of Medical Science at UCL and was Dean of the Institute for Child Health (1999–2002).
Document 4: London: With 120,000 students in London, the federal University of London is the largest contact teaching university in the UK. It includes four large multi-faculty universities – King's College London, Queen Mary, Royal Holloway and UCL – and a number of smaller and more specialised institutions including Birkbeck, the Courtauld Institute of Art, Goldsmiths, Guildhall School of Music and Drama, the Institute of Education, the London Business School, the London School of Economics, the London School of Hygiene & Tropical Medicine, the Royal Academy of Music, the Central School of Speech and Drama, the Royal Veterinary College and the School of Oriental and African Studies. Members of the University of London have their own admissions procedures, and some award their own degrees.
Document 5: London School of Economics: LSE is located in Westminster, central London, near the boundary between Covent Garden and Holborn. The area is historically known as Clare Market. The LSE has more than 10,000 students and 3,300 staff, just under half of whom come from outside the UK. It had a consolidated income of £340.7 million in 2015 / 16, of which £30.3 million was from research grants. One hundred and fifty five nationalities are represented amongst LSE's student body and the school has the highest percentage of international students (70%) of all British universities. Despite its name, the school is organised into 25 academic departments and institutes which conduct teaching and research across a range of legal studies and social sciences.
Document 6: London: A number of universities in London are outside the University of London system, including Brunel University, City University London, Imperial College London, Kingston University, London Metropolitan University, Middlesex University, University of East London, University of West London and University of Westminster, (with over 34,000 students, the largest unitary university in London), London South Bank University, Middlesex University, University of the Arts London (the largest university of art, design, fashion, communication and the performing arts in Europe), University of East London, the University of West London and the University of Westminster. In addition there are three international universities in London – Regent's University London, Richmond, The American International University in London and Schiller International University.
Document 7: London: There are a number of business schools in London, including the London School of Business and Finance, Cass Business School (part of City University London), Hult International Business School, ESCP Europe, European Business School London, Imperial College Business School and the London Business School. London is also home to many specialist arts education institutions, including the Academy of Live and Recorded Arts, Central School of Ballet, LAMDA, London College of Contemporary Arts (LCCA), London Contemporary Dance School, National Centre for Circus Arts, RADA, Rambert School of Ballet and Contemporary Dance, the Royal College of Art, the Royal College of Music and Trinity Laban.
Document 8: David Darom: In 1972, he received a Ph.D. in Marine Biology. He documented the wildlife of the region on land, photographing many of the wild flowers of Israel, with a special attention to the documentation of the Plants of the Bible. Underwater he photographed many hundreds of fish species as well as marine invertebrates from the Red Sea and the Mediterranean Sea. "Upeneus davidaromi", a species of goatfish found in the Red Sea, was named in his honour in 2001.
Document 9: London: London is a major global centre of higher education teaching and research and its 43 universities form the largest concentration of higher education institutes in Europe. According to the QS World University Rankings 2015/16, London has the greatest concentration of top class universities in the world and the international student population around 110,000 which is also more than any other city in the world. A 2014 PricewaterhouseCoopers report termed London as the global capital of higher education
Document 10: London: London is home to five major medical schools – Barts and The London School of Medicine and Dentistry (part of Queen Mary), King's College London School of Medicine (the largest medical school in Europe), Imperial College School of Medicine, UCL Medical School and St George's, University of London – and has a large number of affiliated teaching hospitals. It is also a major centre for biomedical research, and three of the UK's five academic health science centres are based in the city – Imperial College Healthcare, King's Health Partners and UCL Partners (the largest such centre in Europe).
Document 11: Joe Lutkenhaus: Joe Lutkenhaus, Ph.D, is a Professor at the University of Kansas Medical Center. He received a B.S. in organic chemistry from Iowa state University and then a PhD in biochemistry for the University of California, Los Angeles. Following his PhD, Lutkenhaus pursued his postdoctoral studies with William Donachie at the University of Edinburghand then continued at the University of Connecticut Health Science center. In 2002, Dr. Lutkenhaus became a fellow of the American Academy of Microbiology.
Document 12: Edmund Landau: Edmund Landau was born to a Jewish family in Berlin. His father was Leopold Landau, a gynecologist and his mother was Johanna Jacoby. Landau studied mathematics at the University of Berlin, receiving his doctorate in 1899 and his habilitation (the post-doctoral qualification required in German universities) in 1901. His doctoral thesis was 14 pages long.
Document 13: Ahron Daum: In 1993, for family reasons, he resigned from his post as Chief Rabbi and moved to Antwerp, Belgium, where the largest part of his family already lived. There he started to teach Judaism within the state school system and in Jewish day schools. In 1995 he accepted a position as lecturer in Jewish Law at the Faculty for Comparative Religion in Wilrijk (Antwerp), Belgium. In recognition of his teaching there and his works on Halacha the Faculty awarded him a Professorship Honoris Causa in Jewish Law. Since 2001 he also started, along with his wife, a series of outreach projects for Baalei Tshuva, non-Jews interested in Jewish studies and prospective converts to Judaism. Today this takes up most of his time and efforts and as part of these outreach activities he regularly organizes, in cooperation with the Netherlands-based Shalom Centre, study days on various topics within the field of Jewish studies.
Document 14: London: A number of world-leading education institutions are based in London. In the 2014/15 QS World University Rankings, Imperial College London is ranked joint 2nd in the world (alongside The University of Cambridge), University College London (UCL) is ranked 5th, and King's College London (KCL) is ranked 16th. The London School of Economics has been described as the world's leading social science institution for both teaching and research. The London Business School is considered one of the world's leading business schools and in 2015 its MBA programme was ranked second best in the world by the Financial Times.
Document 15: James Mallet: He became professor of biological diversity at the Department of Biology, University College London. He was co-director of the Centre for Ecology and Evolution, a centre of excellence in research and teaching formed by University College London, the Institute of Zoology (Zoological Society of London), Natural History Museum, Imperial College, Queen Mary, Royal Holloway and Kew Gardens. In 2013 he was distinguished lecturer on Organismic and Evolutionary Biology at Harvard University. His research has included work on the species concept central to evolutionary biology, along with hybridization and the process of speciation.
ground_truth: 5th
sub_queries: David Latchman >> employer Answer: University College London
Where is University College London , or UCL, ranked among the world's best colleges and universities? Answer: 5th