Dicke, held several pastorates, and eventually (1854) settled at Bonn as professor of theology in succession to Isaac A.
After short assistant pastorates at St Andrew's, Glasgow, and Bonhill, Dumbartonshire, he obtained a settled charge as minister of the important parish of St George's, Edinburgh.
From 1830 to 1844 he was president of Illinois College, Jacksonville, Illinois, and subsequently filled pastorates at the Salem Street church, Boston (1844-1855), and the Congregational church at Galesburg, Illinois (1855-1871).
He graduated at Bowdoin College in 1834, and subsequently held pastorates at Newark, New Jersey (1851-1857), and Georgetown, Massachusetts; and from 1870 to 1877 lived in Florida, where he was state superintendent of public instruction in 1871-1873.
After holding pastorates at Burton-on-Trent (1856-1861), Surbiton (1862-1870), Leicester (1870-1876), he finally accepted the pastorate of the Congregational Church at Bowdon, Cheshire, in 1877, in which he remained till his death.