Witkacy's birth, life, death, and even his reburial are shrouded in mystery and legend. He was born on February 24, 1885. Even upon entering this world, Witkacy could not avoid playing mysterious games - his birth certificate inexplicably certifies March 24, 1885 as his date of birth. As a child he was encouraged to develop his individuality and creativity in as many outlets as possible: He was schooled at home and pursued diverse interests to promote creativity in painting, music, photography, literature, science and philosophy; however, his most important and lasting creation came much later in life; shortly after he returned from his military service in Russia, he created Witkacy -- a combination of his last and middle names. He began signing his experimental paintings, and most of his correspondence by this name, or some variation of it (Witkac, Witkatze, Witkacjusz, Vitkacius, Vitecasse), which helped to distinguish him from his famous father with the same name....
Link 1: http://hazelhomeartandantiques.blogspot.com/2015/07/witkacy-stanislaw-ignacy-witkiewicz.html?m=1
Link 3: https://culture.pl/en/article/witkacy-the-scandalising-portrait-artist
Video: https://youtu.be/6VhOCInGbME