Charles Sprengel Greaves was born on July 18, 1801, in Ingleby, Yorkshire, England.

He was a barrister and author. He graduated from Queen's College, Oxford (B.A., 1823; M.A., 1825) and was called to the bar by the Society of Lincoln's Inn in 1827. In 1850, he became Queen's counsel. He was the draftsman of the Criminal Procedure Act 1851 and the Criminal Law Consolidation Acts 1861. He became a Secretary to the Criminal Law Commission in 1878. He was also an antiquarian, a member of the Archaeological Institute, and the Derbyshire Archaeological and Natural History Society.

In 1841, he married Emma Frances Tyson (1819–1880). He died on June 3, 1881, in London, England.

Clair James Grece was born on August 20, 1831, in Horley, Surrey, England.

He was a solicitor (LL.B.) and philologist. He worked as a solicitor of the London University and as town clerk of Reigate, Surrey. He was a Fellow of the Philological Society in London (1862-1905). Grece wrote works on various legal topics, e.g., the paper "Upon Negative Voting", presented at a Meeting of the Jurisprudence of the National Association for the Promotion of Social Science in 1869. He translated a 3-volume German study of English grammar, "An English Grammar: Methodical, Analytical, and Historical" by Prof. Mätzner (1874).

In 1884, he married Mary Gasson (1854–1897) and in 1901, he remarried Jeanette Maud Dundas (1872- ). He died on December 8, 1905, in Horley, Surrey, England.