Institution
- Loyola College in Maryland1
- Lycée Français de New York1
- MIT Center for Cancer Research1
- MRC Laboratory of Molecular Biology2
- Marine Biological Laboratory (Woods Hole, Mass.)1
- Marquette University1
- Massachusetts General Hospital14
- Massachusetts Institute of Technology33
- Max Planck Institute for Biophysical Chemistry2
- Max Planck Institute for Developmental Biology2
- McGill University3
- McMaster University1
- Medical College of Wisconsin3
- Medical Research Council (Great Britain)1
- Meharry Medical College1
- Mekhon Ṿaitsman le-madaʻ2
- Memorial Sloan-Kettering Cancer Center8
- Merck Research Laboratories2
- Michael Reese Hospital1
- Michigan State University2