A twin building to Lunn, Osborne Hall was named in honor of Dr. R.R. Osborne, Olathe supporter and benefactor of the college. Osborne houses the Division of Science and Mathematics, including the departments of biology and chemistry. In addition to 11 faculty offices, this facility features a mural depicting scenes from the Creation in its lobby. It also houses 19 classrooms/laboratories, an animal room and a green house.