Leiden University at the university. The learning and reputation of Jacobus Gronovius, Herman Boerhaave, Tiberius Hemsterhuis and David Ruhnken, among others, enabled Leiden to maintain its reputation for excellence down to the end of the 18th century. At the end of the nineteenth century, Leiden University again became one of Europe's leading universities. At the world’s first university low-temperature laboratory, professor Heike Kamerlingh Onnes achieved temperatures of only one degree above absolute zero of −273 degrees Celsius. In 1908 he was also the first to succeed in liquifying helium and can be credited with the discovery of the superconductivity in metals. The
Heike Langguth Heike Langguth Heike Langguth (born October 22, 1979) is a German two times vice-champion in Muay Thai. Heike Langguth began her athletic career as a boxer and trained a little later in Weimar kickboxing. In 2004, she started at the 1 SSV Hall Field 92 eV with Muay Thai. That same year she became German Vice-champion and could repeat their success 2005th In 2006, she founded the association 'Bareknuckle eV', which operates a training center for Muay Thai, Kickboxing and traditional Boxing Eckartsberga malls village. Langguth works as a trainer and is effective for the training center Bareknuckle Gym Germany;