Final answer:
Käthe Kollwitz, a prominent German artist, used various artistic mediums, including printmaking, drawing, and sculpture, in her self-portraits. Her choice of medium allowed her to convey intense emotional depth and realism.
Step-by-step explanation:
Käthe Kollwitz, the renowned German artist, used various artistic mediums in her self-portraits. One notable medium she frequently employed was printmaking, particularly etching and lithography. She also worked with drawing and sculpture, showcasing her versatility. Kollwitz's choice of medium was driven by her desire to capture the human experience and express social and political themes. Her self-portraits showcase her mastery of these techniques and convey intense emotional depth and realism.