Kary mullis, the developer of the polymerase chain reaction (pcr), said that he thought up the process while he let his mind wander during a drive. how is this an example of creativity in science? mullis created a scientific process by using only his imagination rather than by using prior knowledge. mullis was able to think his way to a conclusion rather than gather data. mullis developed and performed his process in the field instead of in the laboratory. mullis was able to imagine the outcome of carrying out a different process.