Ilardi P. J.
Ilias Samir
Iljin G. N.
Illand H.
Imai Fumikazu
Imai Hiroko
Imaoka Atushi
Imbiel H.
Immich Hans
Inabe Takeshi
Indin Ronald
InfocμS Team
Ingraham C.
Inoue Toshio
Insausti M.
Instrument Development Teams
INTEGRAL Collaboration
INTEGRAL/SPI Collaboration
International Giada Consortium
Intes Xavier