Leonhard (Leo) Lapin (born 29 December 1947 in Räpina) is an Estonian architect, artist, architecture historian and a poet, Emeritus Professor at Estonian Academy of Arts, pseudonym Albert Trapeež.
Was a forerunner of avangard movement in Estonia, influenced Estonian art and architecture through his works and writings during the postwar 20th century.
Lapin has been active in: functionalism, suprematism, technological futurism and pop art.
As an artist has created graphics, paintings, performances, happenings and published several articles, books and poetry collections.
Has influenced many students as a teacher.
Sees architecture and art mainly as a spiritual activity.