Ernst Theodor Amadeus Hoffmann, commonly known as E. T. A. Hoffmann, was born on January 24, 1776, in Königsberg, Prussia, which is now Kaliningrad, Russia. He was a pivotal figure in the realm of literature, music, and art, often celebrated for his contributions to the Gothic and fantastical genres. Hoffmann passed away on June 25, 1822, in Berlin, Germany, leaving behind a legacy that would influence countless writers and artists.

Hoffmann's early life was marked by a blend of artistic influences and personal challenges. His father was a lawyer, and his mother, a talented musician, instilled in him an appreciation for the arts. Following his parents' separation, Hoffmann was raised by his mother, who encouraged his creative pursuits. He studied law at the University of Königsberg, but his true passion lay in music and literature. This duality would later manifest in his works, where the boundaries between reality and the supernatural often blurred.

Hoffmann’s literary career began in earnest in the early 1800s, with his first notable work, "Fantasy Pieces in the Style of Callot," published in 1814. He gained recognition for his unique narrative style, characterized by a blend of dark humor, psychological depth, and fantastical elements. His most famous works include "The Nutcracker and the Mouse King," which inspired Tchaikovsky's ballet, and "The Sandman," a story that explores themes of madness and identity. Hoffmann's writings were instrumental in shaping the Romantic movement, influencing later authors such as Edgar Allan Poe and Franz Kafka.

In his personal life, Hoffmann faced various hardships, including financial instability and health issues. He married the singer and actress Julia Marks, but their relationship was fraught with difficulties. Despite these challenges, he remained dedicated to his artistic endeavors, often balancing his work as a music critic and composer alongside his literary pursuits. Hoffmann's multifaceted talents and vivid imagination allowed him to create a rich tapestry of stories that continue to captivate readers and inspire artists to this day.