Blackwood, William, born in Edinburgh, originator of Blackwood's Magazine; originally a bookseller; started Maga, as it was called, in 1817, his principal literary advisers being Professor Wilson and Lockhart; conducted it as editor till his death (1776-1834). John, his third son, his successor, no less distinguished in the cause of literature (1818‒1879).
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Blackwood, Sir Henry * Blaeu, Willem Janzsoon