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.