Complex sentence: Richards attended high school at Redlands, California, and,-after undergraduate work, in 1958, at Yale Law School (YLS) -, he obtained a PhD in Law from Stanford Law School in 1961.
Split into simpler sentences: Richards attended high school at Redlands, California, and,-after undergraduate work at Yale, he went on to graduate from Stanford Law School. Richards first enrolled at Yale Law School (YLS) in 1958 and obtained a PhD in Law from Stanford University in 1961.