When Laub was simply nine years of age his violin using virtuosity was praised simply by Ole Bull. He acceeded towards the Conservatory of Prague and was recognized immediately in to the second calendar year. He examined with Mildner and was taken to the interest of Ernst and Berlioz due to his playing. Laub was a soloist in Vienna for just two years, performed in London, Berlin, Paris and St Petersburg, became the Konzertmeister in Weimar in 1853 and performed chamber musci for Liszt. During this time period he also examined counterpoint with Sechter. Between 1858 and 1865 he toured throughout European countries showing up wih Bulow, Clara Schumann, Leschetizky, Smetana, Patti, Jaell and Joachim. Tchaikovsky devoted his Third String Quartet towards the storage of Laub who was simply observed for the beautiul sonority of his playing, and his design, finese and technicl skill. He performed concertos by Mendelssohn, Joachim, Ernst, Pagannini and Spohr and was among the initial violinists to execute The Bach sonatas. Laub’s compositions included strenuous violin pieces plus some vocal works.