Ryszard Kowalczyk: key obituary facts
Is Ryszard Kowalczyk dead? Yes. Ryszard Kowalczyk died on October 18, 2017, at age 80.
Cause of death: Ryszard Kowalczyk's cause of death has not been publicly confirmed.
What was Ryszard Kowalczyk known for?
He was known as Polish scientist.
Polish scientist
Died on Wednesday October 18th 2017