Proper noun
Drzewiecki (plural Drzewieckis or Drzewieccy)
A surname from Polish.
Among the most important are Poznań's Polish Theatre of Dance, founded by Conrad Drzewiecki and currently led by Ewa Wycichowska, and Wrocław's "Pantomima", founded by Henryk Tomaszewski (1919–2001). Source: Internet
The blade element theory (BET) is a mathematical process originally designed by William Froude (1878), David W. Taylor (1893) and Stefan Drzewiecki to determine the behaviour of propellers. Source: Internet