[2] He is best known for his treatise Securities Regulation, which is still considered to be the definitive authority on the subject and which has been cited over 50 times by the Supreme Court of the United States.
[1] The Oxford English Dictionary credits him with having coined the word tippee, to refer to someone who trades stock after getting a tip from a corporate insider.
[citation needed] While at the SEC, he helped develop the initial theories that enabled the Securities and Exchange Commission to use the broadly worded anti-fraud provisions of the securities law to prosecute insider trading, an area not directly addressed by the law itself.
[1] Though lacking dynamism as a lecturer, he remained one of the most popular and admired professors among Harvard Law School students as well as among faculty.
[4] Loss' wife, Bernice, served as Curator of the Harvard Law School art collection, which includes dozens of paintings of English and American jurists.