Names
- Johnson, Nelson C.1
- Jordan, David Starr, 1851-1931.1
- Karpinski, Louis Charles, 1878-1956.1
- Karpinski, Louis Charles.1878-1956.1
- Keller, Geoffrey, 1918-1
- Keller, Kaufman Thuma, 1885-1966.1
- Kellogg, Remington, 1892-1
- Kellogg, Remington, 1893-1
- Keniston, Hayward, 1883-1
- Kitt Peak National Observatory.1
- Klopsteg, Paul Ernest, 1889-1
- Kraus, Edward Henry, 1875-1
- Kraus, Edward Henry, 1875-1973.1
- Lamont-Hussey Observatory (University of Michigan)1
- Learer, F. H.1
- Lee, Gilbert Lamont, 1919-1
- Malesky, George.1
- Maxwell, Allen Douglas.1
- Mayall, N. U. (Nicholas Ulrich), 1906-1993.1
- Mayall, Nicholas Ulrich, 1906-1