Pronunciation: [d͡ʒˈe͡ɪmz fɹˈank] (IPA) 
The name "James Franck" is spelled using the English alphabet, with the letters corresponding to specific sounds in the International Phonetic Alphabet (IPA). The "J" is pronounced as "dʒ", the "a" as "eɪ", the "m" as "m", the "e" as "ɛ", the "s" as "s", the space between the names as " ", the "F" as "f", the "r" as "r", the "a" as "æ", the "n" as "n", and the "c" as "k". So, phonetically, it is spelled as "dʒeɪmz frænk".
James Franck was a renowned German physicist born on August 26, 1882, in Hamburg, Germany, and passed away on May 21, 1964, in Göttingen, Germany. He made significant contributions to the field of quantum physics and was awarded the Nobel Prize in Physics in 1925 for his work on the phenomenon known as the Franck-Hertz experiment.
Franck's scientific breakthroughs in the early 20th century helped to unravel the mysteries behind electron energy levels in atoms and led to the development of quantum mechanics. The Franck-Hertz experiment, conducted in collaboration with Gustav Hertz, involved the measurement of energy absorption by atoms through collisions with electrons of known energy. This experiment provided empirical evidence for the quantization of atomic energy levels and confirmed the Bohr model of the atom.
Besides his landmark experiment, Franck's contributions extended to various fields, including atomic physics, chemical kinetics, and the understanding of fluorescence. He also played a crucial role in the development of the atomic bomb during World War II, working as part of the Manhattan Project.
In addition to his scientific prowess, Franck was a strong advocate for international scientific collaboration and peace. He actively protested against the militarization of scientific research and worked towards fostering diplomatic relations between nations.
Overall, James Franck was a distinguished physicist who significantly influenced the understanding of quantum physics through his groundbreaking experiments and research accomplishments. His work contributed to the foundations of modern physics and left an enduring legacy in the scientific community.
