Vitus Besel is defending his Ph.D. thesis titled "Generation of Molecular Big Data for Atmospheric Science" on Thursday, the 25th of April 2024, 12 o'clock in Chemicum (A.I. Virtasen aukio 1), auditorium A110. The opponent is group leader Thomas Berkemeier from the Max Planck institute for Chemistry in Mainz, and the custos is Professor Hanna Vehkamäki from the University of Helsinki.