Copyright © 2026 Knight Sac Media. All rights reserved.https://www.siliconinvestor.com/subject.aspx?subjectid=56969Leonardo of Pisano Pisa [1170 - 1250] 61.8% = 1/Phi (1.618033988) 38.2% = 1/Phi Squaredhttps://www.siliconinvestor.com/images/Logo380x132.pnghttps://www.siliconinvestor.com/subject.aspx?subjectid=5696938013210