Question

Who invent a mask and when he invent it?

Answer 1

Answer:

Peter Tsai

Inventor

Peter Tsai, 蔡秉燚, is a Taiwanese American materials scientist and inventor who is best known for inventing and patenting the N95 mask. He is an expert in the field of nonwoven fabric. Wikipedia

Born : 6 February 1952 (age 69 years)

Education : National Taipei University of Technology, more

Answer 2

Answer:

Peter Tsai

Inventor

Peter Tsai, 蔡秉燚, is a Taiwanese American materials scientist and inventor who is best known for inventing and patenting the N95 mask. He is an expert in the field of nonwoven fabric. Wikipedia

Born: 6 February 1952 (age 69 years)

Education: National Taipei University of Technology, more