Ferdinand Braun
Nobel Prize lecture
Nobel Lecture, December 11, 1909
Electrical Oscillations and Wireless Telegraphy
Read the Nobel Lecture
Pdf 238 kB
The Nobel Foundation's copyright has expired.
Streams during Nobel Week
Watch the 2025 Nobel Prize lectures, Nobel Week Dialogue, the prize award ceremonies in Oslo and Stockholm and Nobel Peace Prize Forum here at nobelprize.org.
Explore prizes and laureates
Look for popular awards and laureates in different fields, and discover the history of the Nobel Prize.