 As well as the main Principal Architects for France and Belgium ( Baker , <unk> and <unk> ) , there were Principal Architects appointed for other regions as well . Sir Robert <unk> was Principal <unk> for Italy , Macedonia and Egypt , while Sir John James <unk> was Principal <unk> for Palestine and Gallipoli , assisted by Thomas Smith <unk> . The Principal <unk> for Mesopotamia was Edward <unk> Warren . 
