He also published an edition of Ptolemy's Almagest. Heiberg was born in Denmark, the son of Johanne Henriette Jacoba (n*e Schmidt) and Emil Theodor Heiberg. Heiberg was Professor of Classical Philology at the University of Copenhagen from 1896 until 1924. Among his more than 200 publications were editions of the works of Archimedes(1880 and 1912), Euclid (with Heinrich Menge) (1883--1916), Apollonius of Perga (1891--93), Serenus of Antinouplis (1896), Ptolemy (1898/1903), and Hero of Alexandria (1899).
Heiberg
Heinrich Menge