Hutc
- Jans
- Ingenhousz , Jan
- Ingold
- Ingold , Sir Christopher Kelk
- Ingram , Vernon Martin
- Ipatieff , Vladimir Nikolayevich
- Irène Joliot-Curie
- Isaacs , Alick
- Ivanovsky , Dmitri Iosifovich
- Jackson , Charles Thomas
- Jackson , John Hughlings
- Jacob
- Jacob , François
- Jacobi , Karl Gustav Jacob