Answer: Rembrandt is considered one of the greatest etchers due to his exceptional mastery of the medium and his innovative techniques. His etchings exhibit remarkable skill in capturing intricate details, nuanced shading, and a wide range of tonal values, which showcased his ability to create depth and atmosphere. Rembrandt employed various techniques in his etchings, such as cross-hatching, drypoint, and the innovative use of different types of lines and textures, allowing him to create expressive and emotionally resonant artworks.