Outdoor group portrait of officers of the 2nd Pioneer Battalion. Identified back row, from left ...

Outdoor group portrait of officers of the 2nd Pioneer Battalion. Identified back row, from left to right: Captain Richard Hastings Hudson, (medical officer, later awarded MC); Lieutenant (Lt) Alfred Douglas Nevein (later awarded MC); Second Lieutenant (2nd Lt) Charles Edward Donnelly (transport officer); Lt Ivan Dimant (later awarded MC); Lt Walter Richard Houlder; 2nd Lt James Charles Mullarkey; 2nd Lt Frederick Griffiths Walker; 2nd Lt Frederick John Wingrave (signal officer); 2nd Lt Joseph Alvin Armitage; and 2nd Lt Harold Edward Manders. Middle row: Lt Jock Nicholson; Lt Archibald Niven Sinclair (later awarded MC); Lt Henry McCloskey (wounded in the neck at Pozieres and later lost his leg when fighting on the Somme; subsequently awarded the MC); Lt George Louden; Lt Andres Campbell Ahlston; Lt Rupert Carl Wertheim (later playing Davis Cup tennis); Lt Aubrey Morton Moss; Honorary Lieutenant Phillip Elmhirst Potts (Quartermaster); and Lt Watts. Front row: Captain (Capt) John Valentine Needham; Capt Ernest Ederblom King; Capt Lowell Thomas Pedler (later MC); Major Rupert Reginald Hockley (died of wounds in Belgium on 20 September 1917); Lieutenant Colonel Frederick William Gadsby Annand (later awarded DSO) (Commanding Officer); Capt John Francis Donnelly (adjutant); Capt Harry Frood Arnall; Capt George Taylor (killed in action in Belgium on 29 September 1917); Capt George Duncan Shaw (later awarded MC).