Gilles Holst Philips Fysics Laboratory in Eindhoven ! Or Nat Lab. In 1909 he became an assistant to Heike Kamerlingh Onnes at Leiden University. At Leiden, it is believed that he was the first to witness the phenomenon of superconductivity. The Gilles Holst Award was first awarded in 1939. He died in Holland at the age of 82. Gilles Holst Gilles Holst (20 March 1886 – 11 October 1968) was a Dutch physicist, known worldwide for his invention in 1932 of the low-pressure sodium lamp. His father was a manager of a shipyard. In 1904 he went to ETH Zurich to study
Johannes Bosscha Kamerlingh Onnes was his assistant from 1878 to 1882, after which Kamerlingh Onnes became professor at Leiden University. In 1885 Boscha needed to resign as director because of poor health. His "Verspreide Geschriften" (Diverse Writings) were published in three volumes (Leyden, 1902). In 1855 he married Paulina Emilia Kerkhoven in the town of Voorst. They had four daughters and two sons. The Bosscha Observatory on Java has been named after his son Karel Albert Rudolf Bosscha (1865–1928), who contributed much to the technical development of Indonesia. Johannes Bosscha Johannes Bosscha Jr. (18 November 1831 – 15 April 1911) was a