Philip Dearman Mennell Dictionary of Australasian Biography (1892)., (10 March 1851 – 19 October 1905) was an English-born encyclopedist, journalist and newspaper owner, active in Australia, author of the
Mennell was born in Newcastle upon Tyne, Tyne and Wear, England, the fourth son of George Mennell, a cokemaker, and his wife Hannah, née Tuke. Philip was the grandson of Samuel Tuke, the Quaker philanthropist and mental-health reformer.
Mennell was privately educated and published Lord John Manners, a Political Biography in 1872. Mennell studied law, was admitted as a solicitor, but soon afterward migrated to Victoria (Australia).
Mennell returned to London in 1883 and represented The Age's cable syndicate. In 1891 Mennell revisited Australia as special correspondent for the Daily Chronicle. The following year he published his Dictionary of Australasian Biography, sub-titled Comprising Notices of Eminent Colonists From the Inauguration of Responsible Government Down to the Present Time which contained over 1500 entries. Mennel also published The Coming Colony in 1892, on Western Australia.