Resume. The article presents the part of the activity of Professor Irakli Tsitsishvili, an outstanding Georgian architect, engineer, researcher of architecture and cultural monuments, great scientist, which is related to his work in archaeological expeditions and the position of the architectural planner of GTU. The professional, ethical and human qualities of an outstanding person are noted, his concern for the discovery, research and preservation of Georgian monuments, his role in the creation of the Society for the Preservation of Cultural Monuments of Georgia, and finally in the formation and leadership of ‘The Main Scientific-industrial Department for the Protection and Use of Historical, Cultural, and Natural Monuments”.