While Alexander's cavalry were making such a dangerous and furious fight, the Macedonian phalanx crossed the river and the infantry forces on both sides engaged.
Edition :
Plutarch. Plutarch's Lives. with an English Translation by. Bernadotte Perrin. Cambridge, MA. Harvard University Press. London. William Heinemann Ltd. 1919. 7.
Remark :
victim: According to the entry in the New Pauly, Memnon was in command at the Granicus.
http://referenceworks.brillonline.com/entries/brill-s-new-pauly/granicus-e427330