Fritz Hans Schweingruber: key obituary facts
Is Fritz Hans Schweingruber dead? Yes. Fritz Hans Schweingruber died on January 11, 2020, at age 83.
Cause of death: Fritz Hans Schweingruber's cause of death has not been publicly confirmed.
What was Fritz Hans Schweingruber known for?
He was known as Swiss dendrochronologist.
Swiss dendrochronologist
Died on Saturday January 11th 2020