Spiru Haret
Romanian mathematician, astronomer and politician / From Wikipedia, the free encyclopedia
Dear Wikiwand AI, let's keep it short by simply answering these key questions:
Can you list the top facts and stats about Spiru Haret?
Summarize this article for a 10 year old
Spiru C. Haret (Romanian pronunciation: [ˈspiru haˈret]; 15 February 1851 – 17 December 1912) was a Romanian mathematician, astronomer, and politician. He made a fundamental contribution to the n-body problem in celestial mechanics by proving that using a third degree approximation for the disturbing forces implies instability of the major axes of the orbits, and by introducing the concept of secular perturbations in relation to this.
Spiru Haret | |
---|---|
Born | Spiridon Haret (1851-02-15)15 February 1851 |
Died | 17 December 1912(1912-12-17) (aged 61) |
Resting place | Bellu Cemetery, Bucharest, Romania |
Nationality | Romanian |
Education | Saint Sava National College |
Alma mater | University of Bucharest University of Paris |
Known for | N-body problem Romanian education system |
Spouse |
Ana Popescu (m. 1883) |
Scientific career | |
Fields | Mathematics, Astronomy |
Institutions | University of Bucharest School of Bridges and Roads |
Thesis | Sur l’invariabilité des grandes axes des orbites planétaires (1878) |
Doctoral advisor | Victor Puiseux |
Minister of Religious Affairs and Public Instruction | |
In office 31 March 1897 – 30 March 1899 | |
Prime Minister | Dimitrie Sturdza |
Preceded by | George Mârzescu |
Succeeded by | Take Ionescu |
In office 14 February 1901 – 20 December 1904 | |
Prime Minister | Dimitrie Sturdza |
Preceded by | Constantin C. Arion |
Succeeded by | Mihail Vlădescu |
In office 12 March 1907 – 28 December 1910 | |
Prime Minister | Dimitrie Sturdza Ion I. C. Brătianu |
Preceded by | Constantin Istrati |
Succeeded by | Constantin C. Arion |
Interior Minister | |
In office 13 December 1904 – 20 December 1904 | |
Prime Minister | Dimitrie Sturdza |
Preceded by | Vasile Lascăr |
Succeeded by | Gheorghe Grigore Cantacuzino |
As a politician, during his three terms as Minister of Education, Haret ran deep reforms, building the modern Romanian education system. He was made a full member of the Romanian Academy in 1892.
He also founded the Bucharest Observatory, appointing Nicolae Coculescu [ro] as its first director. The crater Haret on the Moon is named after him.