Helsdon, Harold Leofric, eldest son of Horace John Helsdon, F.R.I.B.A., of Regent's Park, by Flora, eldest daughter of W. Franklin Dickson, of Hendon, Middlesex; b. Nov. 18, 1896; adm. as exhibitioner Sept. 22, 1910 (A); left Easter 1915; entered the Inns of Court O. T. C.; 2nd Lieut. 3rd Batt. (Reserve) Dorsetshire Regt. July 28, 1915; was attached to 1/7th Batt. Royal Warwickshire Regt., and went out to the western front in June 1916; acted first as bombing officer, and afterwards as intelligence officer; killed in night patrol work near Butte de Warlencourt Nov. 25-6, 1916; unm.

Heigham-Plumptre, Leslie Grantham, son of John Vallis Nicholl Plumptre, of London, solicitor, by Mary Ling; b. Oct. 9, 1897; adm. Sept. 26, 1907 (A); migrated up Grant's; left Easter 1913; H. M. S. Worcester training ship; R. M.C. Sandhurst 1917; 2nd Lieut. 3rd Batt. Beds. Regt. Sept. 12, 1917, attached R. F. C. Dec. 1917; went out to the western front March 11, 1918, and was wounded on March 22 and invalided home; returned to the western front May 19; d. at Riquier, near Abbeville, France, June 4, 1918, of injuries acci­dentally received when starting on a bombing raid on June 2.

Hedley, William Snowdon, brother of John Forster Hedley (q.v.); b. June 8, 1889; adm. Sept. 26, 1901 (A); left Dec. 1902; served in the R.N.V.R. in Great War I; temp. Lieut. May 9, 1916; Pilot Officer (A. and S.D.) R.A.F.V.R. Jan. 10, 1941; Flying Officer.

Hedley, John Forster, son of William Snowdon Hedley, M. D., M.R.C.S., of St. Marylebone, by Alice, daughter of Thomas Forster, of Rothbury, Northumberland; b. Sept. 29, 1886; adm. Jan. 17, 1901 (A); left Dec. 1902; called to the bar at Gray's Inn Nov. 18, 1912; served in the R.N.V.R. in Great War I; temp. Lieut. April 27, 1915; deputy sec. of the Automobile Association; retired 1951; m. Drusilla, daughter of Augustus Whitsed, of Crowland, Lincs.

Heath, Richard Oliver, son of Oliver Heath MD and Florence Anne, d. of Solomon Shewring of Edgbaston, Birmingham; b. 3 Apr. 1911; adm. Jan. 1925 (A); left July 1929; a chartered account­ant, ACA 1935, FCA 1960; PO (Accounts) RAF June 1935, FO June 1936; res. Dec. 1939; rejoined RAF 1940-7 (Sqdn Ldr); retd RAF June 1947; practised as accountant at Taunton, Somerset, retd 1975; m. 1st 16 Oct. 1943 Elizabeth Jane, d. of Walter Slade of Watchet, Somer­set; 2nd 27 Nov. 1969 Barbara Landells, d. of Robert Leonard Beane LRCP, of Moreton­hampstead, Devon; d. Sept. 1996.

Haynes, Hugh Wilfrid Lankester, son of Rev. Hugh Lankester Haynes and Emmeline Marianne, d. of Lieut.-Col. Mark Algernon Chaldecott RA; b. 9 Feb. 1911; adm. Sept. 1924 (A); left Dec. 1927; Paymr-Lieut. RNVR, transf. RN Mar. 1937, Lieut.-Cdr (S) Sept. 1943; asst sec. to Third Sea Lord 1941, to CinC Western Approaches 1942; retd May 1953; m. 18 Aug. 1937 Evelyn Illingworth, d. of Alwyn Sidney Haynes CMG OBE, Malayan Civil Service; d. 11 June 1971.

Hayes, Herbert Charles Ernest, brother of Edwin Stanley Hayes (q.v.); b. Feb. 9, 1903; adm. Jan. 20, 1916 (A); d. July 1919.

Hayes, Edwin Stanley, son of Charles David Haas, of Surbiton, Surrey; b. Jan. 14, 1899; adm. Jan. 18, 1912 (A); left July 1915; assumed the surname of Hayes in lieu of Haas; served in the Royal West Kent Regt. during Great War I.

Hayek, Laurence Joseph Henry Eric, son of Friedrich August von Hayek CH FBA, Nobel Prizewinner for Economic Science, and his first wife Hela von Fritsch; b. 15 July 1934; adm. Sept. 1947 (A); left July 1952; King’s Coll. Camb., matric. 1954, BA 1957, MA 1974; Middlesex Hosp. Med. Sch. 1957-60, MB BChir 1961, DObstRCOG 1962; MRCPath 1972; gen. med. practice in Taunton 1963-7; asst. lecturer in pathology, Middlesex Hosp. 1967; sen. registrar and lecturer in microbiology, St Mary’s Hosp. and Edgware Gen. Hosp. 1969-73; consult. bacteriologist, Torbay Hosp., Devon; d. 15 July 2004.