Willem Witteveen was a law scholar and politician. He studied in Leiden and gained his PhD in law with honours. He has been Professor in Encyclopaedia of Law at Tilburg University since 1990. Between 1999 and 2008 and from 2013 to 2014, he was a member of the Dutch Senate for socialist party PvdA. He played an important role in the writing of a new political programme for this party, and regularly published articles on political innovation and the role of in the Senate. Willem Witteveen was killed on Malaysia Airlines flight MH17 that was downed in Ukraine.