In opposition to Otto Gruppe, he denied that Plato affirmed the diurnal rotation of the earth (Untersuchungen über das kosmische System des Platon, 1852), and when in opposition to him Grote published his opinions on the subject (Plato and the Rotation of the Earth) Böckh was ready with his reply.
August Strindberg | August | Papal conclave, August 1978 | Georg Philipp Telemann | Stanisław August Poniatowski | August Derleth | Philipp Melanchthon | Pernilla August | August Macke | Philipp Marx | Karl Philipp von Wrede | Gottfried August Bürger | August Wilson | August von Mackensen | August Sander | August Heckscher | Philipp Franz von Siebold | Philipp | Georg August Schweinfurth | August Spies | August Neidhardt von Gneisenau | August Bournonville | August Belmont | Robert August | Philipp Meyer | Philipp Jakob Cretzschmar | Oslo, August 31st | Karl August Varnhagen von Ense | Erdmann August of Brandenburg-Bayreuth | Carl August Tidemann |
Welcker was a pioneer in the field of archaeology, and was one of the first to insist, like Böckh and his pupil Karl Otfried Müller, on the necessity of co-ordinating the study of Greek art and religion with philology, in opposition to the methods of the older Hellenists, like Gottfried Hermann, which they perceived as too narrow.