In 2023, we commemorate the 115th birth anniversary of Viktor Hambartsumian, a true giant in the world of astrophysics. Viktor Hambartsumian left an indelible mark on the 20th century’s scientific landscape. Pioneering theoretical astrophysics and driving innovation in numerous fields, from astronomy to philosophy, he reshaped our understanding of the cosmos. His revolutionary insights into stellar evolution, galactic nuclei, and the ongoing birth of stars transformed astrophysics, while his leadership in organizing scientific endeavors both nationally and internationally underscored his influence. Hambartsumian’s legacy continues to shine through the Viktor Hambartsumian International Science Prize, celebrating exceptional contributions in physical-mathematical sciences worldwide, ensuring that his pioneering spirit endures.