Malvasia companies occasionally use the name "Malvasia" or "Malvazia" for non-vintage Madeiras, especially those primarily marketed to Portuguese-speaking countries. English historical tradition associates Malmsey wine with the death of George Plantagenet, 1st Duke of Clarence, brother of King Edward IV of England. Following his conviction for treason, he was "privately executed" at the Tower on 18 February 1478, by tradition in the Bowyer Tower, and soon after the event, the rumour gained ground that he was drowned in a butt of Malmsey wine. Malvasia Malvasia (, also known as Malvazia) is a group of wine grape varieties grown historically in the
Hugh Butt Hugh Butt Hugh Roland Butt (January 8, 1910 – August 16, 2008) was an American physician who developed methods to treat hemorrhaging patients with vitamin K. Butt was born in Belhaven, North Carolina. He earned his M.D. from the University of Virginia in 1933 and a master's degree in medicine from the University of Minnesota in 1937. Butt was a resident at the Mayo Clinic when he made his most notable finding that Vitamin K stopped bleeding in patients with jaundice, previously a fatal condition. He later worked with dicumarol isolated by Paul Link, and conducted the first human studies