Alexander Allan (locomotive engineer)

Alexander Allan
Born1809 (1809)
Died2 June 1891(1891-06-02) (aged 81–82)
Engineering career
DisciplineMechanical engineering
InstitutionsInstitution of Mechanical Engineers
Significant designstraight-link valve gear

Alexander Allan (1809-1891) was a Scottish mechanical engineer. He was born at Montrose, Angus, in 1809 and died at Scarborough, Yorkshire on 2 June 1891.