Congratulations to Johannes Benthaus for passing his PhD viva! The viva took place on Monday 22 June. Johannes’ thesis was on “A Quantitative Analysis of Scalar Decay in Time-Dependent Shear Flows.” His examiners were Michele Coti Zelati (Imperial) and Bin Cheng. Johannes‘ principal supervisor was Camilla Nobili with second supervisor Jon Bevan. The first photo shows Camilla and Johannes after the viva, and the second image shows the influence of the German tradition: the viva hat and and good luck cards!