
1) German surname
Found on
https://www.crosswordclues.com/clue/holweck

Fernand Holweck, *1890 in Paris; †1941 in Paris, was a French physicist who made important contributions in the fields of vacuum technology, electromagnetic radiation and gravitation. In the twenties, Holweck built the first prototype of a television set.
Found on
http://www.encyclo.co.uk/local/20514
No exact match found.