Retired professor of physics, semi-professional musician, amateur photographer, Keep an open mind, but not so open that your brains fall out. My Public Documents on Google Drive https://drive.google.com/drive/folders/1i9ykY2DZfuvpqjtYeEH28HcKiz3G9hH1 Webpage https://johnmallinckrodt.com/ The J-Birds https://www.johnmallinckrodt.com/the-j-birds Soundcloud music page https://soundcloud.com/john_mallinckrodt Reverbnation music page - originals from the 80s (!) https://www.reverbnation.com/johnmallinckrodt Bluesky @johnmallinckrodt.bsky.social Facebook https://www.facebook.com/john.mallinckrodt