François Grandjean (1882-1975) French physicist, paleontologist, acarologist.
- Founder of Acarologia 
- Promoter of the so-called "French School of Acarology" (Cl. Athias-Henriot, Y. Coineau, L. van der Hammen, J.-Cl. Lions, J. Travé...)
(List may be incomplete)
(List may be incomplete) His works on mites (241 publications) were edited and introduced by L. van der Hammen [Oeuvres acarologiques complètes (Complete acarological works), The Hague, W. Junk,1972-1976, 7 volumes].