Question: In what year was the man who commanded the Nachtjagdgeschwader 4 from 20 November 1944 to 8 May 1945 born?
Context: The XV Mountain Corps was a German military formation that commanded German forces conducting counter-insurgency operations against the Yugoslav Partisans in the Independent State of Croatia during World War II.  It was formed in the Balkans from the staff of the German commander in Croatia (German: "Militärbefehlshabers in Kroatien" ) on 12 August 1943.  It was subordinated to the 2nd Panzer Army, and from its formation until 1 November 1943 the corps was commanded by "General der Infanterie" (Lieutenant General) Rudolf Lüters, and between 1 November 1943 and July 1944 it was commanded by "General der Infanterie" Ernst von Leyser, who was replaced in August 1944 by "General der Panzertruppe" (Lieutenant General) Gustav Fehn who commanded the corps for the rest of the war.  In May 1944, the corps was responsible for the conduct of Operation Rösselsprung, which was aimed at killing the Partisan leader Josip Broz Tito.  The corps surrendered to the Partisans on 8 May 1945, and Fehn and many of the remaining men of the corps were subsequently killed by the Yugoslav authorities. German submarine "U-2519" was a Type XXI U-boat (one of the ""Elektroboote"") of Nazi Germany's "Kriegsmarine", built for service in World War II.  The submarine was laid down on 24 August 1944 at the Blohm & Voss yard at Hamburg, launched on 13 October 1944, and commissioned on 15 November 1944 under the command of "Korvettenkapitän" Peter-Erich Cremer, who commanded her until 3 May 1945.  "U-2519" conducted no patrols and was scuttled on 3 May 1945 in Kiel.  The wreck was broken up. "Nachtjagdgeschwader" 4 (NJG 4) was a Luftwaffe night fighter-wing of World War II.  NJG 4 was formed on 18 April 1941 in Metz.  The unit's objective was to counter RAF Bomber Command's strategic night-bombing offensive.  The unit's commanding officers included Oberstleutnant Wolfgang Thimmig (October 1943 – November 1944) and Major Heinz-Wolfgang Schnaufer (20 November 1944 – 8 May 1945). Heinz-Wolfgang Schnaufer (16 February 1922 – 15 July 1950) was a German "Luftwaffe" night-fighter pilot and the highest-scoring night fighter ace in the history of aerial warfare.  A flying ace is a military aviator credited with shooting down five or more enemy aircraft during combat.  All Schnaufer's 121 victories were claimed during World War II, mostly against British four-engine bombers, for which he was awarded the Knight's Cross of the Iron Cross with Oak Leaves, Swords and Diamonds, Germany's highest military decoration at the time, on 16 October 1944.  He was nicknamed "The Spook of St. Trond", from the location of his unit's base in occupied Belgium. Johann-Heinrich Eckhardt (3 December 1896 – 15 May 1945) was a German general in the Wehrmacht during World War II.  He was a recipient of the Knight's Cross of the Iron Cross with Oak Leaves of Nazi Germany.  Eckhardt surrendered to the American troops on 8 May 1945 and died in custody on 15 May 1945. Yngvar Fyhn (1910 – 8 May 1945) was a Norwegian national socialist.  He was leader of the National Socialist Workers' Party of Norway (NNSAP) from 1935 until 1940 when that party became defunct and he joined Nasjonal Samling (NS).  Fyhn became editor of the NS-paper "Hirdmannen" in 1941, turning the paper more pan-Germanist, militantly national socialist with an emphasis on "socialist", with fronts against Freemasonry, Jews and capitalists.  Fyhn was considered for a cabinet position in the failed pro-German coup attempt by Leif Schøren and Egil Holst Torkildsen, leaders of "Germanske SS Norge", against Vidkun Quisling and NS in January 1945.  Fyhn committed suicide on 8 May 1945. USS "LSM(R)-190" was a United States Navy "LSM(R)-188"-class Landing Ship Medium (Rocket).  She was built at Charleston Navy Yard, Charleston, South Carolina and was commissioned on 21 November 1944.  "LSM(R)-190" took part in the Battle of Okinawa from 7 April–4 May 1945.  She was hit and sunk by a Japanese suicide plane on 4 May 1945 while on the radar picket line.  She later received a Navy Unit Commendation for her service off Okinawa.  Her commanding officer was Lt. Richard H. Saunders, USNR. Ernst-Günther Baade (20 August 1897 – 8 May 1945) was a German general during World War II.  He was a recipient of the Knight's Cross of the Iron Cross with Oak Leaves and Swords of Nazi Germany.  Baade was wounded in action and died from his injuries on 8 May 1945. August Schmidhuber (8 May 1901 – 19 February 1947) was an SS-Brigadeführer of the 7th SS Volunteer Mountain Division Prinz Eugen from 20 January 1944 to 8 May 1945, and the 21st Waffen Mountain Division of the SS Skanderbeg (1st Albanian) from May 1944 onwards. German submarine "U-2506" was a Type XXI U-boat (one of the ""Elektroboote"") of Nazi Germany's "Kriegsmarine", built for service in World War II.  The submarine was laid down on 29 May 1944 at the Blohm & Voss yard at Hamburg, launched on 5 August 1944, and commissioned on 31 August 1944 under the command of "Kptlt. " Horst von Schroeter, who commanded her until 9 May 1945.  "U-2506" conducted no patrols, and surrendered on 9 May 1945 in Bergen, Norway.  She was then transferred to Lerwick on 18 June 1945, then Lisahally on 21 June 1945.  She was sunk on 5 January 1946 at .
Answer: 1922