Mahlon Marsh Day

Mahlon Marsh Day
Born(1913-11-24)November 24, 1913
Died1992(1992-00-00) (aged 78–79)
NationalityAmerican
Alma materBrown University
Scientific career
FieldsMathematics
InstitutionsUniversity of Illinois Urbana-Champaign (1940-1983)
Thesis Regularity of Function-to-function Transformations, Operations in Banach Spaces  (1939)
Doctoral advisorClarence Raymond Adams

Mahlon Marsh Day (1913–1992) was an American mathematician, who specialized in functional analysis, geometry of linear spaces and amenable semigroups.