- Leather, Philip1
- Leicester Nuffield Research Unit (University of Leicester)1
- Lewis, Geraint1
- London Community Health Resource1
- London School of Economics and Political Science1
- London School of Hygiene and Tropical Medicine1
- Long Term Care Team (King's Fund Centre for Health Services Development, King Edward's Hospital Fund for London)1
- MacGuire, Jillian1
- Malley, Juliet1
- Mandeville, Jean1
- Martin, Paul1
- Martin, Peter1
- Mary's Hospital Medical School (St)1
- Mason, Alistair1
- McCauley, Janet1
- McClenahan, John1
- McGuire, Jenny1
- McNamee, Paul1
- Molyneux, Peter1
- Morrison, Paula1