This year marks the 100th anniversary of the birth of the distinguished Ukrainian neurophysiologist Platon Hryhorovych Kostyuk. His scientific achievements and contributions to global neurophysiology remain invaluable, continuing to influence the development of modern science. Platon Hryhorovych Kostyuk (August 20, 1924 – May 10, 2010) was a prominent Ukrainian neurophysiologist whose work left a profound impact not only on Ukrainian science but also on the global stage. His contributions to neurophysiology, molecular physiology, and cellular biophysics are unparalleled and have laid the groundwork for future research in these fields.