Do you have a source showing that Joseph Dorobek was extremely racist? I can't seem to find anything about him being racist. I saw one article which said that a

Do you have a source showing that Joseph Dorobek was extremely racist? I can't seem to find anything about him being racist. I saw one article which said that according to Dorobek's granddaughter it was coined by her mother who was 17 at the time, and he submitted her idea as part of a contest to find a motto