Samuel Carlos Gitler Hammer, Jewish Mexican mathermatician (Ciudad de Mexico 14 July 1933 – Ciudad de Mexico 09 September 2014)

With M.E.Mahowald developed modified Postnikow towers

With J.D.Stasheff defined exotic class and the first nontrivial exotic class of order 2 (1965)

With J. Adem & Y.K. Lam defined secondary operations

EPONYMY

Gitler-Mahowald method (1960s)

Feder-Gitler theorem (1977)

Cohen-Gitler theorem

Brown-Gitler spectra (1973)

Brown-Gitler modules

Brown-Gitler property

Gitler-Stasheff characteristic class

Bendersky-Gitler spectral sequence