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Questions about Wander Johannes de Haas

Short answers, pulled from the story.

When and where was Wander Johannes de Haas born?

Wander Johannes de Haas was born on the 2nd of March 1878 in Lisse. This small town sits near Leiden in the Netherlands.

What university did Wander Johannes de Haas attend for his physics studies?

He started studying physics at the University of Leiden that same year after passing qualification exams for university admission in 1900. He studied under Heike Kamerlingh Onnes and Johannes Petrus Kuenen during this period.

Which three scientific effects are named after Wander Johannes de Haas?

The Shubnikov, de Haas effect describes changes in electrical resistance at low temperatures. The De Haas, Van Alphen effect relates to magnetic properties in metals. The Einstein, de Haas effect demonstrates the connection between magnetism and mechanical rotation.

When did Wander Johannes de Haas become a professor in Leiden?

In 1925 de Haos became a professor in Leiden. He took over one of two heads of the Laboratory of physics following the tenure of Kamerlingh Onnes directly.

Until what year did Wander Johannes de Haas hold his position as professor?

De Haas held this position until he retired in 1948. During his time there he managed significant experimental work including an electromagnet from around 1930 used for his low-temperature research.