His knowledge of astronomical instruments was legendary, especially of optical and electronic devices and of image converters. He died unexpectedly on 13 March 1984 during a business trip to the Calar Alto Observatory in Almería, Spain.
The astronomer was famous for his knowledge of astronomical instruments, especially optical and electronic devices along with image converters. He died suddenly on March 13, 1984, while traveling for work at the Calar Alto Observatory in Almería, Spain.