Christoph Gustav Ernst Ahl (1 September 1898 – 14 February 1945) was a German zoologist, born in Berlin.
He was the director of the department of ichthyology and herpetology in the Museum für Naturkunde.
He was also the editor in chief of the review Das Aquarium from 1927 to 1934.
During World War II, Ahl fought in the ranks of the Wehrmacht - in Poland, North Africa and later Yugoslavia. He was executed while in refuge in Yugoslavia, after the partisans found out he was a German.
He performed one of the first studies on bearded dragons determining what genus they belong to.
Ahl is commemorated in the scientific names of two species of lizards: Anolis ahli and Emoia ahli.  The latter is a synonym of Emoia battersbyi .
Ernst Johannes Fritz Thälmann was a German communist politician, and leader of the Communist Party of Germany (KPD) from 1925 to 1933.
Martin Hinrich Carl Lichtenstein was a German physician, explorer, botanist and zoologist.
Ernst Johann Otto Hartert was a widely published German ornithologist.
The Altes Museum is a listed building on the Museum Island in the historic centre of Berlin and part of the UNESCO World Heritage. Built from 1825 to 1830 by order of King Frederick William III of Prussia according to plans by Karl Friedrich Schinkel, it is considered as a major work of German Neoclassical architecture. It is surrounded by the Berlin Cathedral to the east, the Berlin Palace to the south and the Zeughaus to the west. Currently, the Altes Museum is home to the Antikensammlung and parts of the Münzkabinett.
Bernhard Rensch was a German evolutionary biologist and ornithologist who did field work in Indonesia and India. Starting his scientific career with pro-Lamarckian views, he shifted to selectionism and became one of the architects of the modern synthesis in evolutionary biology, which he popularised in Germany. Besides his work on how environmental factors influenced the evolution of geographically isolated populations and on evolution above the species level, which contributed to the modern synthesis, he also worked extensively in the area of animal behavior (ethology) and on philosophical aspects of biological science. His education and scientific work were interrupted by service in the German military during both World War I and World War II.
Oskar Boettger was a German zoologist who was a native of Frankfurt am Main. He was an uncle of the noted malacologist Caesar Rudolf Boettger (1888–1976).
The electric blue hap is a species of cichlid fish endemic to Lake Malawi. It prefers to live in caves and crevices in rocky substrates. This species can reach a length of 20 centimetres (7.9 in) TL. It can also be found in the aquarium trade.
ErnestFriedrich Gilg was a German botanist.
Martin Carl Philipp Gropius was a German architect.
Willy Georg Kükenthal was a German zoologist. He was the older brother of botanist and theologian Georg Kükenthal (1864–1955). Kükenthal specialized in the Octocorallia and on marine mammals. He edited, along with Thilo Krumbach, a landmark series of eight volumes in the Handbuch der Zoologie series which extensively reviewed and compiled the state of zoological knowledge of the time.
Central Stadium was a stadium with a capacity of 120,000 in Leipzig which was initially used for matches of SC Rotation Leipzig.
Eberhard Fraas was a German scientist, geologist and paleontologist. He worked as a curator at the Stuttgarter Naturaliensammlung and discovered the dinosaurs of the Tendaguru formation in then German East Africa. The dinosaur Efraasia is named after him.
The Prussian National Monument for the Liberation Wars is a war memorial in Berlin, Germany, dedicated in 1821. Built by the Prussian king during the sectionalism before the Unification of Germany it is the principal German monument to the Prussian soldiers and other citizens who died in or else dedicated their health and wealth for the Liberation Wars (Befreiungskriege) fought at the end of the Wars of the Sixth and in that of the Seventh Coalition against France in the course of the Napoleonic Wars. Frederick William III of Prussia initiated its construction and commissioned the Prussian Karl Friedrich Schinkel who made it an important piece of art in cast iron, his last piece of Romantic Neo-Gothic architecture and an expression of the post-Napoleonic poverty and material sobriety in the liberated countries.
Ludwig Ernst Emil Hoffmann was a German architect and was one of the most famous architects of Berlin.
The Märkisches Museum is a museum in Mitte, Berlin. Founded in 1874 as the museum of the city of Berlin and its political region, the March of Brandenburg, it occupies a building on the northern edge of Köllnischer Park, facing the Spree, which was designed by Ludwig Hoffmann and completed in 1908. It is now the main facility of the Stiftung Stadtmuseum Berlin, Landesmuseum für Kultur und Geschichte Berlins, the City of Berlin museum foundation, which also operates four other sites.
Richard Sternfeld was a German-Jewish herpetologist, who was responsible for describing over forty species of amphibians and reptiles, particularly from Germany's African and Pacific colonies.
Battersby's emo skink is a species of lizard in the family Scincidae. The species is native to Oceania and Southeast Asia.
Ernst Friedrich was a German anarcho-pacifist.
The Eldorado was the name of multiple nightclubs and performance venues in Berlin, Weimar Republic before the World War II. Two locations were gay bars attracting the LGBTQ+ community as well as artists, authors, celebrities, tourists and a heterosexual audience, and featured drag shows and performances by "transvestites". The club has been described by writers, and artist and have been immortalized in paintings and photographs.
Anolis ahli, also known commonly as Ahl's anole and the Escambray blue-eyed anole, is a species of lizard in the family Dactyloidae. The species is endemic to Cuba.