Names
- Reighard, Jacob Ellsworth, 1861-1942.2
- Rice, Warner Grenelle, 1899-2
- Riggs, Henry Earle, 1865-1949.2
- Rolfe, John Carew, 1859-1943.2
- Rufus, Will Carl, 1876-1946.2
- Ruthven, Alexander Grant, 1882-1971.2
- Sawyer, Walter H. (Walter Hulme), 1861-1931.2
- Scott, Fred Newton, 1860-1931.2
- Shaw, Wilfred Byron, 1881-1959.2
- Sink, Charles Albert, 1879-1972.2
- Slosson, Preston William, 1892-2
- Smith, William Alden, 1859-1932.2
- Spalding, Volney Morgan, 1849-1918.2
- Stason, E. Blythe (Edwin Blythe), 1891-1972.2
- Taylor, F. M. (Fred Manville), 1855-1932.2
- Townsend, Charles E. (Charles Elroy), 1856-1924.2
- Trueblood, Thomas Clarkson, 1856-1951.2
- University of Michigan -- Buildings.2
- University of Michigan. Department of Astronomy.2
- University of Michigan. Observatory.2