Deinocrates of Rhodes (Sometimes spelled "Dinocrates") (aprx. 3rd century BC - 2nd century) was a Greek architect and technical adviser for Alexander the Great. Around 332_BC Alexander appointed him director of surveying and urban planning work for the city of Alexandria. He was aided by Crates of Olynthus, an esteemed Hydraulic Engineer who built the waterworks for the city. He also worked on, among other things, an incompleted funerary monument for King Phillip of Macedonia.