Vassil Tzankov

Tzankov
Vassil Tzankov Tzankov (Bulgarian: Васил Цанков Цанков) (April 2, 1905, Gorna Oryahovitsa, Bulgaria – August 25, 1986, Sofia, Bulgaria) was a Bulgarian geologist and paleontologist.wikipedia
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Sofia University

University of SofiaSofia University "St. Kliment OhridskiSofia University St. Kliment Ohridski
In 1945 he became docent and in 1947 - professor, and was appointed to the paleontology chair at Sofia University "St. Kliment Ohridski".
On 27 October 1929, the first doctoral thesis in natural science of the university was defended by geologist Vassil Tzankov.

Holcodiscidae

In his later years, Tzankov continued his work on "Fossils of Bulgaria" and on phylogeny of the ammonites Holcodiscidae and Asteridiscidae (together with St. Breskovski).

Bulgarian language

BulgarianBulgarian:Modern Bulgarian
Vassil Tzankov Tzankov (Bulgarian: Васил Цанков Цанков) (April 2, 1905, Gorna Oryahovitsa, Bulgaria – August 25, 1986, Sofia, Bulgaria) was a Bulgarian geologist and paleontologist.

Gorna Oryahovitsa

Gorna OryahovitzaGorna OriahovitsaGorna Oryahovica
Vassil Tzankov Tzankov (Bulgarian: Васил Цанков Цанков) (April 2, 1905, Gorna Oryahovitsa, Bulgaria – August 25, 1986, Sofia, Bulgaria) was a Bulgarian geologist and paleontologist.

Bulgaria

BULBulgarianRepublic of Bulgaria
Vassil Tzankov Tzankov (Bulgarian: Васил Цанков Цанков) (April 2, 1905, Gorna Oryahovitsa, Bulgaria – August 25, 1986, Sofia, Bulgaria) was a Bulgarian geologist and paleontologist.

Geologist

geologistsgeoscientistgeoscientists
Vassil Tzankov Tzankov (Bulgarian: Васил Цанков Цанков) (April 2, 1905, Gorna Oryahovitsa, Bulgaria – August 25, 1986, Sofia, Bulgaria) was a Bulgarian geologist and paleontologist.

Late Cretaceous

Upper CretaceousLate Cretaceous PeriodSenonian
He is best known for his work on Upper Cretaceous ammonites and bivalves.

Cretaceous

Cretaceous PeriodMiddle CretaceousEarly Cretaceous
He is best known for his work on Upper Cretaceous ammonites and bivalves.

Ammonoidea

ammoniteammonoidammonites
He is best known for his work on Upper Cretaceous ammonites and bivalves.

Bivalvia

bivalvebivalvesbivalve molluscs
He is best known for his work on Upper Cretaceous ammonites and bivalves.

Docent

Dozentdocentsassociate professor
In 1945 he became docent and in 1947 - professor, and was appointed to the paleontology chair at Sofia University "St. Kliment Ohridski".

Bulgarian Academy of Sciences

BASBulgarianBulgarian Literary Society
In 1967 he was elected as a corresponding member of the Bulgarian Academy of Sciences.

Shumen

ShumlaŞumnuShoumen
Tzankov was raised in Shumen in the family of a veterinary physician, Dr. Tzanko Tzankov (1869-1941).

Veterinarian

veterinariansDoctor of Veterinary Medicinevet
Tzankov was raised in Shumen in the family of a veterinary physician, Dr. Tzanko Tzankov (1869-1941).

Doctor of Philosophy

Ph.D.PhDPh.D
He took his PhD in 1929, under the supervision of Dr.Stephan Bonchev and became the first student to be awarded a doctorate in natural science in Bulgaria.

Doctorate

doctoraldoctoral degreedoctorate degree
He took his PhD in 1929, under the supervision of Dr.Stephan Bonchev and became the first student to be awarded a doctorate in natural science in Bulgaria.

Micropaleontology

microfossilmicrofossilsmicropaleontologist
During that period he introduced micropaleontological research – foraminifera, conodonts, spores and pollen – in Bulgaria.

Foraminifera

foraminiferforamforaminiferan
During that period he introduced micropaleontological research – foraminifera, conodonts, spores and pollen – in Bulgaria.

Conodont

conodontsConodontaconodont element
During that period he introduced micropaleontological research – foraminifera, conodonts, spores and pollen – in Bulgaria.

Spore

sporessporulationsporulate
During that period he introduced micropaleontological research – foraminifera, conodonts, spores and pollen – in Bulgaria.

Phylogenetic tree

phylogenyphylogeneticevolutionary tree
In his later years, Tzankov continued his work on "Fossils of Bulgaria" and on phylogeny of the ammonites Holcodiscidae and Asteridiscidae (together with St. Breskovski).

Stoycho Vassilev Breskovski

BreskovskiSt. Breskovski
In his later years, Tzankov continued his work on "Fossils of Bulgaria" and on phylogeny of the ammonites Holcodiscidae and Asteridiscidae (together with St. Breskovski).

Sofia

Sofia, BulgariaSofia MunicipalitySerdica
Vassil Tzankov Tzankov (Bulgarian: Васил Цанков Цанков) (April 2, 1905, Gorna Oryahovitsa, Bulgaria – August 25, 1986, Sofia, Bulgaria) was a Bulgarian geologist and paleontologist.