Christian Haass is one of the "Highly Cited Researchers 2019"
Highly Cited Researchers from the Web of Science Group is an annual list recognizing influential researchers in the sciences and social sciences from around the world. The 2019 list contains about 3,700 Highly Cited Researchers in 21 fields of the sciences and social sciences and about 2,500 Highly Cited Researchers identified as having exceptional performance across several fields. The list focuses on contemporary research achievement: only highly cited papers in science and social sciences journals indexed in the Web of Science Core Collection during the 11-year period 2008-2018 were surveyed. Highly cited papers are defined as those that rank in the top 1% by citations for field and publication year.