The correct statement regarding the scientists that won the 2019 Nobel Prize in Chemistry is: "The scientists that won the 2019 Nobel Prize in Chemistry verified and repeated each other’s work."
The Nobel Prize was awarded to John B. Goodenough, M. Stanley Whittingham, and Akira Yoshino for their contributions to the development of lithium-ion batteries, and the nature of their research involved collaboration and a verification process within the scientific community.