Detailed Solution:
The correct answer is “Synthesis of transuranic elements – Enrico Fermi”.
Transuranic elements are elements with atomic numbers higher than uranium (92), and their synthesis was achieved through various nuclear reactions by scientists like Glenn T. Seaborg and his team, not Enrico Fermi.
Therefore, the pair that is not correctly matched is (4) Synthesis of transuranic elements – Enrico Fermi.