The layout of the present campus and the design of the buildings were carried out by a group of engineers and architects under the guidance of Werner M. Moser, a Swiss architect.[21] The 2,100-acre (8.5 km2)[22] campus is residence to about 22,000 inhabitants.[23] In 2015, IIT Kharagpur had about 605 faculty members, 1,933 employees and approximately 10,010 students living on the campus.[24] The campus has a total of 55 kilometres (34 miles) of roadways.