Born 1816 - Died died 1868 Professor of civil engineering at Union College, New York.
Sites 4
- Union College Math Department History - 1826 - 1877 Short commentary on Gillespie years at Union College.
- Notes on the Strength of Materials and the Stability of Structures Gillespies 1870 notes printed for the civil engineering classes in Union College.
- A Treatise on Land Surveying Comprising the theory developed from five elementary principles; and the practice with the chain alone, the compass, the transit, the theodolite, the plane table. Full text published in 1855.
- A Manual of the Principles and Practice of Road-Making Full text of Gillespie's book which was published in 1864.