Anton Davidoglu (June 30, 1876–May 27, 1958) was a

Romania Romania ( ; ro, România ) is a country located at the crossroads of Central Europe, Central, Eastern Europe, Eastern, and Southeast Europe, Southeastern Europe. It borders Bulgaria to the south, Ukraine to the north, Hungary to the west, S ...

mathematician A mathematician is someone who uses an extensive knowledge of mathematics in their work, typically to solve mathematical problems. Mathematicians are concerned with numbers, data, quantity, structure, space, models, and change. History On ...

who specialized in

differential equation In mathematics, a differential equation is an equation that relates one or more unknown functions and their derivatives. In applications, the functions generally represent physical quantities, the derivatives represent their rates of change, an ...

s. He was born in 1876 in

Bârlad Bârlad () is a city in Vaslui County, Romania. It lies on the banks of the river Bârlad, which waters the high plains of Western Moldavia. At Bârlad the railway from Iași diverges, one branch skirting the river Siret, the other skirting th ...

Vaslui County Vaslui County () is a county ( județ) of Romania, in the historical region Western Moldavia, with the seat at Vaslui. Demographics In 2011, it had a population of 395,499 and the population density was 74/km². * Romanians - over 98% * Rom ...

, the son of Profira Moțoc and Doctor Cleante Davidoglu. His older brother was General Cleante Davidoglu. He studied under

Jacques Hadamard Jacques Salomon Hadamard (; 8 December 1865 – 17 October 1963) was a French mathematician who made major contributions in number theory, complex analysis, differential geometry and partial differential equations. Biography The son of a teac ...

at the

École Normale Supérieure École may refer to: * an elementary school in the French educational stages normally followed by secondary education establishments (collège and lycée) * École (river), a tributary of the Seine flowing in région Île-de-France * École, Savoi ...

Paris Paris () is the capital and most populous city of France, with an estimated population of 2,165,423 residents in 2019 in an area of more than 105 km² (41 sq mi), making it the 30th most densely populated city in the world in 2020. S ...

, defending his

Ph.D. A Doctor of Philosophy (PhD, Ph.D., or DPhil; Latin: or ') is the most common degree at the highest academic level awarded following a course of study. PhDs are awarded for programs across the whole breadth of academic fields. Because it is ...

dissertation in 1900. His thesis — the first mathematical investigation of deformable solids — applied

Émile Picard Charles Émile Picard (; 24 July 1856 – 11 December 1941) was a French mathematician. He was elected the fifteenth member to occupy seat 1 of the Académie française in 1924. Life He was born in Paris on 24 July 1856 and educated there at th ...

's method of successive approximations to the study of fourth order differential equations that model traverse vibrations of non-homogeneous elastic bars. After returning to Romania, Davidoglu became a professor at the

University of Bucharest The University of Bucharest ( ro, Universitatea din București), commonly known after its abbreviation UB in Romania, is a public university founded in its current form on by a decree of Prince Alexandru Ioan Cuza to convert the former Princel ...

. In 1913, he was founding

rector Rector (Latin for the member of a vessel's crew who steers) may refer to: Style or title *Rector (ecclesiastical), a cleric who functions as an administrative leader in some Christian denominations *Rector (academia), a senior official in an edu ...

of the Academy of High Commercial and Industrial Studies in Bucharest. He also continued to teach at the University of Bucharest, until his retirement in 1941. Davidoglu was a founding member of the

Romanian Academy of Sciences The Romanian Academy of Sciences was an institution established in Romania by a group of 26 scientists, dissatisfied with the imperfect organization of the Scientific Section of the Romanian Academy, which was left in the background, with only 12 ...

, and was featured on a 1976 Romanian

postage stamp A postage stamp is a small piece of paper issued by a post office, postal administration, or other authorized vendors to customers who pay postage (the cost involved in moving, insuring, or registering mail), who then affix the stamp to the fa ...

. Scott #2613 He died in 1958 in Bucharest.

Publications

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References

1876 births 1958 deaths People from Bârlad Romanian expatriates in France École Normale Supérieure alumni Academic staff of the University of Bucharest 20th-century Romanian mathematicians Mathematical analysts Academic staff of the Bucharest Academy of Economic Studies Members of the Romanian Academy of Sciences {{europe-mathematician-stub