Rev. William Brown Galloway was born on November 7, 1811, in Glasgow, Scotland.

He was an evangelical clergyman and author. In 1831, he graduated from the University of Glasgow with a degree of M.A. In 1836-1837, he conducted a Moral Philosophy class and published "Philosophy and Religion with Their Mutual Bearings Comprehensively Considered and Satisfactorily Determined on Scientific Principles" (1837). He served as a curate of churches at Barnard Castle, Durham County, England, and Brompton and St. Pancras Church, London. In 1858, he was appointed the first Vicar of St. Mark's Church in Regent's Park, London, but had to wait another 38 years before the money could be raised to complete the chancel. A memorial tablet, put up by his friends in the year of his death, can be seen on the north wall of the church. He was the author of the books "Physical Facts and the Scriptural Record" (1872), "Science and Geology in Relation to the Universal Deluge" (1888), and "Testimony of Science to the Deluge" (1895).

In 1844, he married Ellen Jane Benning (1815–1878) and in 1879, he married Margaret Bell Leader (1818–1888). He died on March 23, 1903, in Hampstead, England.