Lambert Massart Lambert Massart Joseph Lambert Massart (19 July 1811 – 13 February 1892) was a Belgian violinist who has been credited with the origination of the systematic vibrato. He compiled "The Art of Working at Kreutzer's Etudes," a supplement that contains 412 fingerings and bowings taken from his time studying with Rodolphe Kreutzer. He was an excellent String quartet player who gave many delightful chamber concerts, having also played Beethoven's "Kreutzer Sonata" in A minor with Franz Liszt on 23 May 1843. Massart was born in Liège, and was taught music first by his father Joseph Marie and later by his
William Kreutzer Jr. and earned himself the nickname "Crazy Kreutzer". In June 1994, Kreutzer broke down in tears while on guard duty in the Sinai, and spoke of killing several other soldiers. He was disciplined, and sent to see the division's social worker, Darren Fong, who said he suffered from low self-esteem and anger management problems. He was deemed to not be a threat, but was disallowed weapons for two weeks following the incident. In October 1994, Kreutzer attended the Primary Leadership Development Course to become a non-commissioned officer, and was promoted to the rank of sergeant. The day before the shooting, Kreutzer