Spiru C. Haret 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.

The Saint Sava National College, Bucharest, named after Sabbas the Sanctified, is the oldest and one of the most prestigious high schools in Romania. It was founded in 1694, under the name of the Royal Academy of Bucharest.