Question: Q1: Who was director of the museum featuring the last sail-only warship designed and built by the United States Navy?

Context paragraphs:
Chapman Historical Museum: The Chapman Historical Museum is a restored house museum featuring furnishings and historical artifacts depicting life in Glens Falls, New York, United States during the late 19th century.  The museum is owned and operated by the Glens Falls/Queensbury Historical Association.  The home that houses the museum was originally built by Zopher DeLong and restored in 1968.

USS Denver (LPD-9): USS "Denver" (LPD-9), an "Austin"-class amphibious transport dock, is the third ship of United States Navy to bear this name.  "Denver"' s keel was laid 7 July 1964 at Lockheed Shipbuilding and Construction Company, Seattle, Washington.  She was launched 23 January 1965, christened by Mrs. John A. Love, wife of the Governor of Colorado, and commissioned 26 October 1968.  After 46 years of service, the "Denver" was decommissioned at Joint Base Pearl Harbor-Hickam on 14 August 2014.  At the time of her decommissioning, "Denver" was the oldest deployable warship in the U.S. Navy, and the last active warship to be in Vietnam.

Japanese ironclad Kōtetsu: Kōtetsu (甲鉄 , literally "Ironclad") , later renamed "Azuma" (東 , "East") , was the first ironclad warship of the Imperial Japanese Navy.  Built in Bordeaux, France in 1864 for the Confederate States Navy as CSS "Stonewall", and acquired from the United States in February 1869, she was an ironclad ram warship.  She had a decisive role in the Naval Battle of Hakodate Bay in May 1869, which marked the end of the Boshin War, and the complete establishment of the Meiji Restoration.

Type 26 frigate: The Type 26 frigate or City-class frigate is a class of frigate being built for the United Kingdom's Royal Navy.  The ship design and manufacture program, known as the Global Combat Ship, was created by the UK Ministry of Defence to partially replace the navy's thirteen Type 23 frigates, and for export.  It will be a multi-mission warship designed to support anti-submarine warfare, air defence and general purpose operations.

USS Sterling (1898): United States Navy Auxiliary ship "Sterling" was an iron, schooner-rigged collier in service with the United States Navy from 1898 to 1919.  Originally purchased to transport coal for United States Navy ships during the Spanish–American War, she served in that role until sold in 1919.  While serving as the Chilean flagged steamer, "Llai Llai", she was rammed by a Chilean warship on 11 March 1920 and sank near Iquique, Chile.

Destroyer escort: Destroyer escort (DE) was the United States Navy mid-20th century classification for a 20 knot warship designed with endurance to escort mid-ocean convoys of merchant marine ships. " Kaibōkan" were designed for a similar role in the Imperial Japanese Navy.  The Royal Navy and Commonwealth forces identified such warships as frigates, and that classification was widely accepted when the United States redesignated destroyer escorts as frigates (FF) in 1975.  Destroyer escorts, frigates and "kaibōkan" were mass-produced for World War II as a less expensive anti-submarine warfare alternative to fleet destroyers.

Donald Franklin Stewart: Donald Franklin Stewart (22 May 1929 – 17 March 1996) was director of the Five Fathom Lightship Museum in West Ocean City, Maryland and the USS Constellation Museum in Baltimore, Maryland.  He was the Curator of the USS Torsk Submarine (Inner Harbor Baltimore).  He was a National Board Member of Operation Sail 1976 and the Director of Op Sail 1976 in Baltimore.  He was a founder of the American College of Heraldry and Arms.  He was born in Baltimore and died in Herndon, Virginia.

USS Constellation (1854): USS "Constellation" is a sloop-of-war, the last sail-only warship designed and built by the United States Navy.  She was built in 1854, using a small amount of material salvaged from the frigate USS "Constellation", which had been disassembled the year before.  Despite being a single-gundeck "sloop," she is actually larger than her original frigate build, and more powerfully armed with fewer but much more potent shell-firing guns.

Battle of Cherbourg (1864): The Battle of Cherbourg, or sometimes the Battle off Cherbourg or the Sinking of CSS "Alabama", was a single-ship action fought during the American Civil War between a United States Navy warship, the USS "Kearsarge", and a Confederate States Navy warship, the CSS "Alabama", on June 19, 1864, off Cherbourg, France.

Saginaw Valley Naval Ship Museum: The Saginaw Valley Naval Ship Museum is dedicated to documenting the history of the United States Navy.  The museum will be permanently housed in the USS "Edson", a retired United States Navy destroyer that has recently been converted to a museum.  The museum is located in Bay City, Michigan, United States.  The man responsible for this destroyer being opened for a museum is Mike Kegley, the president of the Saginaw Valley Naval Ship Museum, who has worked on the project for the last fifteen years.  This destroyer will be the main event for the museum as it has plans to expand into other exhibits in the years to come.  The vice president Richard Janke, the Secretary Mary Kegley, and the treasurer Mark Janke also run the museum.

Supporting paragraphs: Donald Franklin Stewart USS Constellation (1854)
Answer: Donald Franklin Stewart