His brother, David, with whom he founded the company Radiofrequenz in 1923, was his long-time partner.
Loewe grew up in a Judeo-Christian family. His father Ludwig, a doctor, was Jewish. His mother Emilie was a Protestant Christian. The first-born son, David, was baptized, but Siegmund remained a member of the Jewish community. His two younger siblings were also educated Jewish and married Jewish spouses.
Siegmund Loewe studied physics and electrical engineering, specializing in high-frequency technology. Siegmund and his brother developed and produced electronic tubes, loudspeakers and resistors, establishing several companies to manufacture and market their inventions. Together with physicist Manfred von Ardenne, Loewe developed one of the first multi-tubes, recognized today as the world’s first integrated circuit, which led to the construction of the most successful radio unit in Germany before the Second World War. At the 8th Berlin Radio Show in 1931, Von Ardenne, manning the Loewe company stand, presented to the world the first fully electronic television.
After the Nazis came to power, the company came under pressure. David Loewe was the first victim of the attacks, so he...
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