Niels Henrik David Bohr was a Danish physicist who made foundational contributions to understanding atomic structure and quantum theory, for which he received the Nobel Prize in Physics in 1922. Bohr was also a philosopher and a promoter of scientific research.?

Max Karl Ernst Ludwig Planck was a German theoretical physicist whose discovery of energy quanta won him the Nobel Prize in Physics in 1918. Planck made many contributions to theoretical physics, but his fame as a physicist rests primarily on his role as the originator of quantum theory, which revolutionized human understanding of atomic and subatomic processes.

Dr James Lees is a physicist, author and science communicator who studied at The University of York and Stanford. He works as a researcher and gives talks and workshops across the UK on a wide variety of scientific topics. He is the author of several other books including Physics in 50 Milestone Moments and Who Knew? Physics.