The first transistor was made using germanium rather than silicon.
Notes on verification
Well-documented historical fact corroborated by Nobel Prize archives, Computer History Museum, and standard semiconductor history references.
Sources
- Silicon is still King and it is proving difficult to topple it - IEEE Future Directions (cmte.ieee.org)
- https://www.nobelprize.org/prizes/physics/1956/summary/ (nobelprize.org)
- https://www.computerhistory.org/revolution/digital-logic/12/273 (computerhistory.org)