List of Famous people named Leonard

Leonard Edward Slatkin is an American conductor, author and composer.

Leonard Michael Maltin is an American film critic and film historian, as well as an author of several mainstream books on cinema, focusing on nostalgic, celebratory narratives. He is best known for his eponymous annual book of movie capsule reviews, Leonard Maltin's Movie Guide, which was published annually from 1969 to 2014.

Leonard Orban is a Romanian independent technocrat who served as the Commissioner for Multilingualism in the European Commission, the executive body of the European Union (EU). He was responsible for the EU language policy and was the first Romanian Commissioner and the first member of the Commission whose portfolio is exclusively multilingualism. His term of office began on 1 January 2007 and ended on 9 February 2010. With a background in engineering and economics, Orban has taken up various posts working for the accession of Romania to the European Union, most prominently as Deputy and later as Chief Negotiator for his country at the time of final negotiations with the European Union.

Leonard Mlodinow is an American theoretical physicist and mathematician, screenwriter and author. In physics, he is known for his work on the large N expansion, a method of approximating the spectrum of atoms based on the consideration of an infinite-dimensional version of the problem, and for his work on the quantum theory of light inside dielectrics.

Leonard Adleman is an American computer scientist. He is one of the creators of the RSA encryption algorithm, for which he received the 2002 Turing Award, often called the Nobel prize of Computer science. He is also known for the creation of the field of DNA computing.