He was educated firstly at St George's Hospital taking diploma of L.R.C.P. in 1868, afterwards at Heidelberg taking L.S.A. as well as the degree of M.D. in 1869. He was house-physician at St. George’s Hospital in 1870, medical registrar from 1871 to 1874, and was at one time assistant physician to the Victoria Hospital for Children, Chelsea. Soon after leaving St. George’s he entered into partnership with M. Du Pasquier, Apothecary to the Royal Household, and his connection with the Court in various capacities of ever-increasing distinction continued until his death. He became Surgeon-Apothecary-in-Ordinary to Queen Victoria, Apothecary-in-Ordinary to the Royal Household, and to the household of the Prince of Wales, the Duke of Edinburgh, and the Duke of Connaught, an office which he retained under King Edward VII and King George V. On 29 March 1901, after the accession of King Edward VII, he was appointed one of three Physicians in Ordinary, together with Sir William Henry Broadbent, Bt, and Sir James Reid, Bt. But even before the new King could be crowned Laking was the royal physician. He diagnosed appendicitis in March 1901 urging the King seek advice and elective surgery from Sir Frederick Treves, the royal surgeon. The correct decisions were taken and an ailing monarch's life was saved by Laking's presence of mind.
Family
Francis Henry Laking, born 9 January 1847, was the son of Francis William Laking, of Addison Road, Kensington, Middlesex, and Louisa Jane Wilkinson, a daughter of Thomas Wilkinson, of Plymouth. On 26 January 1873/1875, Laking married Emma Ann Mansell, daughter of Joseph Mansell, stationer, and wife Elizabeth.... Their only son was Sir Guy Francis Laking, 2nd Baronet, who succeeded to the baronetcy, upon the death of his father, on 21 May 1914. He married secondly the daughter of the late Mr. James Hackworth, of Dunedin, by whom he was survived and, by whom he had no children. Sir Francis died at his residence at Cleveland Row, St. James's, London on 21 May 1914. The funeral took place on 25 May 1914 at Queen's Chapel following which he was interred at Highgate Cemetery.
In October 2004, in the second Volume of Folket, his history of King Haakon VII and Queen Maud, the author Tor Bomann-Larsen presents evidence that in October 1902 Princess Maud ever stayed in a London Hospital under the care of Sir Francis Henry Laking, 1st Baronet, physician-in-ordinary and surgeon-apothecary to King Edward VII of the United Kingdom, and that during this secret hospital stay, Sir Francis artificially inseminated Princess Maud, who gave birth to Prince Alexander some nine months later. Mr. Bomann-Larsen further implies, but does not directly state, that the sperm donor was Sir Francis's son, Guy Francis Laking.
In March 2005, Odd Arvid Storsveen, a Historian at the University of Oslo, published a review of Mr. Bomann-Larsen's book in Historisk Tidsskrift. In this review, Mr. Storsveen claims he can't find adequate sourcing for Mr.Bomann-Larsen's "hypothesis" about King Olav V's paternity.
In popular culture
At a press junket in 2010, MMA fighter Muhammed "King Mo" Lawal referenced Laking, shouting to reporters "I am the greatest, most influential figure in history... John Witherspoon, Francis Laking, they ain't got nothin' on me!" The obscure reference was met with stunned silence.