Question: Who wrote the book that depicts part of the life of the historian born on October 7, 1943?
Context: Gerard A. Hayes-McCoy (1911–1975) was an Irish historian born in Galway.  He attended University College Galway (U.C.G.) and served as auditor of the College's Literary and Debating Society in the 1931/1932 academic year.  He edited "The Irish Sword", the journal of the Military History Society of Ireland (1949-1972) and he became Professor of History at the National University of Ireland (UCG) in 1958.  He wrote primarily on military history, but also about Galway City, ships, historical figures in fiction, Robert Louis Stevenson and he even created a cartoon strip for the "Cork Examiner".  His work on the Scots mercenary forces in Ireland (1565-1603) established him as "one of the leading Irish scholars of his generation."  It was based on his PhD thesis which he completed at the University of Edinburgh in 1934 . Eugene L. Armbruster (1865–1943) was a New York City photographer, illustrator, writer, and historian born in Baden-Baden, Germany and based in Bushwick, Brooklyn, where he died.  His work includes many buildings, roads, and neighborhoods in area towns such as Amagansett, Astoria, Bridgehampton, Brooklyn, Brooklyn Heights, Bushwick, Coney Island, Corona, East New York, East Hampton, Elmhurst, Flatbush, Flatlands, Flushing, Forest Hills, Gravesend, Hempstead, Jackson Heights, Jamaica, Jericho, Long Island City, Manhattan, Maspeth, Middle Village, Montauk, Oyster Bay, Queens Village, Rego Park, Ridgewood, Rikers Island, South Ozone Park, Southampton, Williamsburg, and Sullivan County. Oruno Lara (1879-1924) was a Guadeloupean poet, author and historian born in Guadeloupe not to be confused with his grandson Dr. Oruno D. Lara, also a historian.  Head of Pointe-à-Pitre's Guadeloupe Littéraire journal, he arrived in France in 1914 with hopes of further developing his project of a literary and political journal.  He was soon engulfed in the first World War until 1919 and following traumas caused by the inhalation of gases used during the war, he was inspired to become a historian.  Upon his return from war, he published a history of Guadeloupe, a text which was used to teach several generations of Guadeloupean school children.  In 1919, he founded the monthly Le Monde Colonial (The Colonial World) which echoed W.E.B. Dubois' and the first Pan-African Congress' denunciations of the racism inherent to European colonialism.  In 1923 he wrote the novel "Question de Couleurs: Blanches et Noirs, Roman de Moeurs" ( i.e. "An issue of Colors: Whites and Blacks, a Novel") The Nightingale's Song is a 1995 book by "Baltimore Sun" journalist Robert Timberg.  It relates the military and political careers of five graduates of the United States Naval Academy, most of whom served during the Vietnam War in either the United States Navy or United States Marine Corps: John McCain, Bud McFarlane, Oliver North, John Poindexter, and Jim Webb.  Timberg himself was also a Naval Academy graduate and served in Vietnam with the Marine Corps, where he was badly wounded. C. Henry Smith (June 8, 1875 – October 18, 1948) was a Mennonite historian born in Metamora, Illinois.  Smith was the first (known) American Mennonite to earn a Ph.D., doing so at the University of Chicago in 1907.  C. Henry Smith (the "C" simply an initial he adopted) taught two stints at Goshen College and became the first dean of the college, before going on to teach at Bluffton University for the rest of his life.  Smith's doctoral dissertation was published as "The Mennonites of America" in 1909 and remained the only comprehensive Mennonite history of American Mennonites into the 1950s. François-Xavier Guerra (27 November 1942 – 10 November 2002) was a French historian born in Spain, who wrote of the Spanish Golden Age and of the history of Mexico up to and during the Mexican Revolution. Suleiman Mousa (Arabic: سليمان الموسى‎ ‎ ) (11 June 1919 – 9 June 2008) was a Jordanian author and historian born in Al-Rafeed, a small village north of the city of Irbid.  He wrote up to fifty books of which most prominent are "Biography of Sharif Hussein Bin Ali, Jordan in the 1948 War, Great Arab Revolt", "History of Jordan in the 20th century", and was the first and only Arab author to write about Lawrence of Arabia and show the Arab perspective. Oliver Laurence North (born October 7, 1943) is an American political commentator and television host, military historian, "New York Times" best-selling author, and former United States Marine Corps Lieutenant Colonel.  He was convicted in the Iran-Contra affair of the late 1980s but his convictions were vacated and reversed, and all charges against him dismissed in 1991. Mabel Kathleen Ashby (1892 – 1975) (wrote as M. K. Ashby) was an educationalist, writer and historian born in Tysoe, Warwickshire, England. Jenni Sorkin (born August 29, 1977) is an art historian born in Chicago, Illinois .  She received a PhD in Art History from Yale University in 2010.  She is best known for her writing in art criticism, and for highlighting work by feminist artists and artist working in fiber and associated crafts.  She is the author of the book "Live Form: Women, Ceramics, and Community"' (published in 2016), and her essays have appeared in exhibition catalogs for artists such as Joan Snyder, M. C. Richards, Barbara Kasten, John Cage, Judy Chicago,Beatrice Wood, and Carolee Schneemann.  She is on the faculty of the department of art history at the University of California in Santa Barbara.
Answer: Robert Timberg