Israel Aharoni (; 1882–1946) was a zoologist in Ottoman and British Palestine widely known as the "first

Hebrew Hebrew (; ''ʿÎbrit'') is a Northwest Semitic languages, Northwest Semitic language within the Afroasiatic languages, Afroasiatic language family. A regional dialect of the Canaanite languages, it was natively spoken by the Israelites and ...

zoologist Zoology ( , ) is the scientific study of animals. Its studies include the structure, embryology, classification, habits, and distribution of all animals, both living and extinct, and how they interact with their ecosystems. Zoology is one ...

." Aharoni is best known for collecting a litter of

Syrian hamster The golden hamster or Syrian hamster (''Mesocricetus auratus'') is a rodent belonging to the hamster subfamily, Cricetinae. Their natural geographical range is in an arid region of northern Syria and southern Turkey. Their numbers have been d ...

s on an expedition to

Aleppo Aleppo is a city in Syria, which serves as the capital of the Aleppo Governorate, the most populous Governorates of Syria, governorate of Syria. With an estimated population of 2,098,000 residents it is Syria's largest city by urban area, and ...

Syria Syria, officially the Syrian Arab Republic, is a country in West Asia located in the Eastern Mediterranean and the Levant. It borders the Mediterranean Sea to the west, Turkey to Syria–Turkey border, the north, Iraq to Iraq–Syria border, t ...

. The hamsters were bred as laboratory animals in

Jerusalem Jerusalem is a city in the Southern Levant, on a plateau in the Judaean Mountains between the Mediterranean Sea, Mediterranean and the Dead Sea. It is one of the List of oldest continuously inhabited cities, oldest cities in the world, and ...

, but some escaped through a hole in the floor. The majority of domestic golden hamsters are thus said to be descended from this one litter.

Biography

Israel Aharoni was born in Vidzy,

Kovno Governorate Kovno Governorate was an administrative-territorial unit (''guberniya'') of the Russian Empire, with its capital in Kovno (Kaunas). It was formed on 18 December 1842 by Tsar Nicholas I of Russia, Nicholas I from the western part of Vilna Govern ...

Russian Empire The Russian Empire was an empire that spanned most of northern Eurasia from its establishment in November 1721 until the proclamation of the Russian Republic in September 1917. At its height in the late 19th century, it covered about , roughl ...

(in present-day

Belarus Belarus, officially the Republic of Belarus, is a landlocked country in Eastern Europe. It is bordered by Russia to the east and northeast, Ukraine to the south, Poland to the west, and Lithuania and Latvia to the northwest. Belarus spans an a ...

). His father, Avraham Yossef Aharonovich, was the

Rosh yeshiva Rosh yeshiva or Rosh Hayeshiva (, plural, pl. , '; Anglicized pl. ''rosh yeshivas'') is the title given to the dean of a yeshiva, a Jewish educational institution that focuses on the study of traditional religious texts, primarily the Talmud and th ...

of Vidzy and died before his son Israel was born. Israel lost his mother as well when he was two years old. Being an orphan, he lived with his grandmother and studied at a

Cheder A ''cheder'' (, lit. 'room'; Yiddish pronunciation: ''khéyder'') is a traditional primary school teaching the basics of Judaism and the Hebrew language. History ''Cheders'' were widely found in Europe before the end of the 18th century. L ...

and later on at the Telshe yeshiva. At the age of 13, Israel ran away from his home to

Prague Prague ( ; ) is the capital and List of cities and towns in the Czech Republic, largest city of the Czech Republic and the historical capital of Bohemia. Prague, located on the Vltava River, has a population of about 1.4 million, while its P ...

, where he attended school and later on continued to learn

zoology Zoology ( , ) is the scientific study of animals. Its studies include the anatomy, structure, embryology, Biological classification, classification, Ethology, habits, and distribution of all animals, both living and extinction, extinct, and ...

Charles University Charles University (CUNI; , UK; ; ), or historically as the University of Prague (), is the largest university in the Czech Republic. It is one of the List of oldest universities in continuous operation, oldest universities in the world in conti ...

. He immigrated to Palestine in 1901, which was then under Turkish rule. His early zoological expeditions took place under the protection of the local Sultan, for whom he obtained

butterfly Butterflies are winged insects from the lepidopteran superfamily Papilionoidea, characterized by large, often brightly coloured wings that often fold together when at rest, and a conspicuous, fluttering flight. The oldest butterfly fossi ...

specimens. Many of his collected specimens can still be viewed at the

Hebrew University of Jerusalem The Hebrew University of Jerusalem (HUJI; ) is an Israeli public university, public research university based in Jerusalem. Co-founded by Albert Einstein and Chaim Weizmann in July 1918, the public university officially opened on 1 April 1925. ...

Zoology career

Aharoni discovered 30 previously unknown species of animals, insects and birds, and is credited with giving them Hebrew names. In 1930, Aharoni set off to look for Syrian hamsters at the request of his colleague Saul Adler, a parasitologist who was looking for an easily breedable alternative to the Chinese hamster for research on the disease

Leishmaniasis Leishmaniasis is a wide array of clinical manifestations caused by protozoal parasites of the Trypanosomatida genus ''Leishmania''. It is generally spread through the bite of Phlebotominae, phlebotomine Sandfly, sandflies, ''Phlebotomus'' an ...

. Syrian hamsters had been discovered and named by

George Robert Waterhouse George Robert Waterhouse (6 March 1810 – 21 January 1888) was an English natural history, naturalist. He was a keeper at the department of geology and later curator of the Zoological Society of London's museum. Early life George was born ...

in 1839 but had not been sighted since. Together with a

n guide named ''Georgius Khalil Tah'an'', Aharoni managed to discover a

nest A nest is a structure built for certain animals to hold Egg (biology), eggs or young. Although nests are most closely associated with birds, members of all classes of vertebrates and some invertebrates construct nests. They may be composed of ...

containing a female and eleven young in the

region. However,

cannibalism Cannibalism is the act of consuming another individual of the same species as food. Cannibalism is a common ecological interaction in the animal kingdom and has been recorded in more than 1,500 species. Human cannibalism is also well document ...

of one of the litter by the mother, and the subsequent death of the mother, meant that Aharoni had to hand-rear the pups during the journey back. The four that made it were bred successfully and used extensively in laboratories, before being introduced to the pet market in the 1940s.

References

{{DEFAULTSORT:Aharoni, Israel 1882 births 1946 deaths People from Braslaw district People from Novoalexandrovsky Uyezd Belarusian Jews Emigrants from the Russian Empire to the Ottoman Empire Ashkenazi Jews from Ottoman Palestine Ashkenazi Jews in Mandatory Palestine 20th-century Israeli zoologists Taxonomists Charles University alumni Academic staff of the Hebrew University of Jerusalem Burials at the Jewish cemetery on the Mount of Olives Immigrants of the First Aliyah