Niklaus Wirth, winner of the Association for Computing Machinery's A.M. Turing Award, discusses the importance of abstraction to language design. This clip is taken from an interview conducted with Wirth by Elena Trichina for the ACM on 13 March, 2018 in Zürich, Switzerland. Video of the full interview is available as part of Wirth’s ACM profile at https://amturing.acm.org/award_winner....