Robert Mertens (December 1, 1894 - August 23, 1975) was a German herpetologist. The Robert Merten's day gecko is named after him. Jump to: navigation, search December 1 is the 335th (in leap years the 336th) day of the year in the Gregorian calendar. ... 1894 was a common year starting on Monday (see link for calendar). ... Jump to: navigation, search August 23 is the 235th day of the year in the Gregorian Calendar (236th in leap years), with 130 days remaining. ... Jump to: navigation, search 1975 (MCMLXXV) was a common year starting on Wednesday (the link is to a full 1975 calendar). ... Herpetology is the branch of zoology concerned with the study of reptiles and amphibians, including their classification, ecology, behavior, physiology, anatomy, and paleontology. ... Binomial name Phelsuma robertmertensi Robert Mertens day gecko (Phelsuma robertmertensi MEIER 1980) is diurnal species of geckos. ...

Born in Saint Petersburg, Russia, Mertens moved to Germany and attended the University of Leipzig, earning his PhD in zoology there in 1916. After working at the Senckenberg Museum in Frankfurt for several years, he became a lecturer at the University of Frankfurt in 1932. In his capacity as museum curator, and also in the various posts he held at the University, he was able to travel extensively and study lizards (particularly varanids, lacertids, and geckos) in many different locations, including Indonesia, Namibia and El Salvador. Saint Petersburg (Russian: Санкт-Петербу́рг, English transliteration: Sankt-Peterburg), colloquially known as Питер (transliterated Piter), formerly known as Leningrad (Ленингра́д, 1924–1991) and Petrograd (Петрогра́д, 1914–1924), is a city located in Northwestern Russia on the delta of the river Neva at the east end of the Gulf of Finland... Jump to: navigation, search The University of Leipzig (Universität Leipzig), located in Leipzig in the Free State and former Kingdom of Saxony, is one of the oldest universities in Europe. ... Jump to: navigation, search Doctor of Philosophy (Ph. ... Zoology (Greek zoon = animal and logos = word) is the biological discipline which involves the study of animals. ... T. Rex The Senckenberg Museum in Frankfurt is the largest museum of natural history in Germany. ... Jump to: navigation, search Frankfurt am Main â–¶(?) [ˈfraÅ‹kfÊŠrt] is the largest city in the German state of Hesse and the fifth-largest city in Germany. ... University of Frankfurt may refer to two (or three) German universities: the Johann Wolfgang Goethe University Frankfurt am Main (Johann Wolfgang Goethe-Universität Frankfurt am Main) in Frankfurt am Main the European University Viadrina Frankfurt (Oder) (Europa-Universität Viadrina Frankfurt (Oder)) in Frankfurt (Oder), or its historical predecessor which existed... Species Many, see text. ... Genera Many, see text. ... Jump to: navigation, search Genera Many, see text Geckos are small to moderately large lizards belonging to the family Gekkonidae and found in warm climates throughout the world. ...

Robert Mertens authored several books on zoology, including La Vie des Amphibiens et Reptiles in 1959. An English translation, The World of Amphibians and Reptiles, was published in 1960.