Full Citation:
Kindermann, Philipp, Kobourov, Stephen, Löffler, Maarten, Nöllenburg, Martin, Schulz, André, Vogtenhuber, Birgit. Lombardi Drawings of Knots and Links. J. Computational Geometry, volume 10, number 1, pages 444-476, 2019.
Martin Nöllenburg is a Professor at the Algorithms and Complexity Group.