Eisenstein refers to Sergei Eisenstein, a pioneering Soviet film director and theorist known for his innovative techniques in cinema. He is best known for his films such as Battleship Potemkin and October, which showcased his use of montage to create emotional and intellectual responses in viewers. His work significantly influenced the development of film as an art form. Eisenstein's theories on film editing emphasized the importance of juxtaposing images to convey complex ideas and emotions. He believed that the collision of shots could generate new meanings, a concept he termed "intellectual montage." His contributions laid the groundwork for modern filmmaking and continue to be studied in film schools worldwide.