We have abundant reference to old physical authorities, to Thales, Anaximenes, Anaximander, Diogenes of Apollonia, to Caecina and Attalus.
"Roman Society from Nero to Marcus Aurelius"
Samuel Dill
To Thales and Anaximenes, it appeared inconceivable that the antecedents which we see in nature, should produce the consequents; but perfectly natural that water, or air, should produce them.
"A System Of Logic, Ratiocinative And Inductive (Vol. 1 of 2)"
John Stuart Mill
Two of the Milesians, disciples of Anaximander and Anaximenes, were staying then in Egypt, to study astronomy and the peculiar wisdom of the Egyptians at Heliopolis, and the third was a wealthy merchant and ship-owner, named Theopompus, who had settled at Naukratis.
"The Complete Historical Romances of Georg Ebers"
Georg Ebers