Which romantic composer turned to music journalism after injuring his hands? he started the new journal for music in 1834 which became the vehicle for promoting the careers of several composers, including brahms?

Robert Schumann

Explanation:

Robert Schumann was a German composer who was prolific during the Romantic period. While Schumann was very talented, he had to give up his plans of being a concert pianist after he injured his hand. After this injury, Schumann published a music magazine. As a composer, he wrote symphonies, concertos, chamber music and many other types of work.