Theophilus Van Kannel

Theophilus Van Kannel
Born21 October 1841
Philadelphia, Pennsylvania, US
DiedDecember 23, 1919(1919-12-23) (aged 78)
Burial placeWest Park Cemetery, Cleveland, Ohio, US
OccupationInventor
Known forInvention of the revolving door
Theophilus Van Kannel's patent drawing for a revolving door, 1888

Theophilus Van Kannel (1841 – December 24, 1919) was an American inventor, known for inventing the revolving door, patented on August 7, 1888.[1][2]