What is "luttwak"

Luttwak or Lutwak is a Jewish surname. Notable persons with that name include:

• Edward Luttwak (born 1942), American military strategist and historian
• Leo Lutwak (1928–2006), American nutritionist, endocrinologist, and biochemist
• Yossef Luttwak, Chairman of the "Religious Committee" in the Religious Kibbutz Movement
• Steven Lutvak, Musician, songwriter and lyricist