- Johnson, David Thomas1
- Johnson, Joseph E.1
- Johnson, Maurice Glen1
- Juhász, Vilmos1
- Kaniowski, Michał1
- Katz, Mark N.1
- Kenin, Richard1
- Kimball, Warren F.1
- Kirk, Grayson L.1
- Kliszewski, Barbara1
- Koenig-Archibugi, Mathias1
- Kowalski, Jerzy1
- Kołakowski, Leszek1
- Kurland, Gerald1
- Landau, Saul1
- Lezin, Viktor Vasilʹevich1
- Liggio, Leonard P.1
- László-Herbert, Márk1
- Mansfield, Mike1
- Martel, Leon1