Diels, Heraklit von Ephesus (2nd ed., 1909), Greek and German.
Diels, Poetarum Philosophorum Fragmenta (Berlin, 1901); and Die Fragmente der Vorsokratiker (Berlin, 1906).
Diels, Fragmente der Vorsokratiker (1903); also 0.
Daremberg (1817-1872) in France, and Heinrich Haser (1811-1888) and August Hirsch, Diels, Weltmann and Julius Pagel in Germany, will prove to our children that tradition was as safe in our hands as progress itself.
Further, it is certain that Hero used physical and mathematical writings by Posidonius, the Stoic, of Apamea, Cicero's teacher, who lived until about the middle of the 1st century B.C. The positive arguments for the more modern view of Hero's date are (1) the use by him of Latinisms from which Diels concluded that the 1st century A.D.