EntityQ327467· pop 7· linked from 1,237 articlesHannes KellerSign in to saveSwiss mathematician, physicist and diverConnectionssurface supplied divingEntitydiving bellEntitydiving regulatorEntityDrägerwerkCompanydiving equipmentEntitydiving medicineEntitydiving weighting systemEntitydiving helmetEntityunderwater divingEntitydiving suitEntitydiving cylinderEntityprofessional divingEntitySCUBAEntitydiving chamberEntitybarotraumaEntitygas cylinderEntityfinswimmingEntitydiving buoyancy compensatorEntitydive computerEntitybreathing gasEntityCategories1934 births2022 deaths20th-century Swiss mathematiciansPeople from WinterthurSwiss physicistsUnderwater diving pioneers