Question: Are both Boaz Yakin and Walter Lang American?

Context paragraphs:
Walter Lang: Walter Lang (August 10, 1896 – February 7, 1972) was an American film director.

Boaz Yakin: Boaz Yakin (born June 20, 1966) is an American screenwriter and film director based in New York City.  He has written such screenplays as "Fresh" and "A Price Above Rubies", and he directed the feature film "Remember the Titans", among others.

Hostel (2005 film): Hostel is a 2005 American horror film written and directed by Eli Roth.  It stars Jay Hernandez and was produced by Mike Fleiss, Eli Roth, and Chris Briggs; Boaz Yakin, Scott Spiegel, and Quentin Tarantino are executive producers.  It is the first installment of the "Hostel" trilogy, followed by "" (2007) and "" (2011).  The film tells the story of two college students traveling across Europe, who find themselves preyed upon by a mysterious group that tortures and kills kidnapped victims.

Remember the Titans: Remember the Titans is a 2000 American sports film produced by Jerry Bruckheimer and directed by Boaz Yakin.  The screenplay, written by Gregory Allen Howard, is based on the true story of African-American coach Herman Boone, portrayed by Denzel Washington, and his attempt to integrate the T. C. Williams High School football team in Alexandria, Virginia, in 1971.  Will Patton portrays Bill Yoast, Boone's assistant coach.  Real-life athletes Gerry Bertier and Julius Campbell are portrayed by Ryan Hurst and Wood Harris, respectively.

Prince of Persia: The Sands of Time (film): Prince of Persia: The Sands of Time is a 2010 American action fantasy film directed by Mike Newell.  The film was written by Jordan Mechner, Boaz Yakin, Doug Miro, and Carlo Bernard, produced by Jerry Bruckheimer, and released by Walt Disney Pictures on May 28, 2010.  The film stars Jake Gyllenhaal as Prince Dastan, Gemma Arterton as Princess Tamina, Ben Kingsley as Nizam, and Alfred Molina as Sheik Amar.  The film has the same title as the video game "", and is primarily based on it.  Elements from "" and "", the two other titles from the "Sands of Time" trilogy of the "Prince of Persia" video game franchise, are also incorporated.  The film was premiered in London on May 5, 2010 and was officially released on May 28, 2010 in the United States.  It received mixed reviews from critics, and grossed over $336 million against a production budget of $150–200 million.

The Rookie (1990 film): The Rookie is a 1990 American buddy cop film directed by Clint Eastwood and produced by Howard G. Kazanjian, Steven Siebert and David Valdes.  It was written from a screenplay conceived by Boaz Yakin and Scott Spiegel.  The film stars Charlie Sheen, Clint Eastwood, Raúl Juliá, Sônia Braga, Lara Flynn Boyle, and Tom Skerritt.  Eastwood plays a veteran police officer teamed up with a younger detective played by Sheen ("the rookie"), whose intent is to take down a German crime lord in downtown Los Angeles following months of investigation into an exotic car theft ring.

Max (2015 film): Max is a 2015 American adventure drama film directed by Boaz Yakin, and co-written with Sheldon Lettich.  The film stars Josh Wiggins, Mia Xitlali, Dejon LaQuake, Thomas Haden Church, Robbie Amell, Lauren Graham, Luke Kleintank, and Jay Hernandez.  The film was released by Warner Bros. on June 26, 2015.

Safe (2012 film): Safe is a 2012 American action crime thriller film written and directed by Boaz Yakin and starring Jason Statham, Chris Sarandon, Robert John Burke and James Hong.  Statham plays an ex-cop and former cage fighter who winds up protecting a gifted child who is being chased by the Russian mafia, Chinese Triads, and corrupt New York City police.

Now You See Me (film): Now You See Me is a 2013 American heist thriller film directed by Louis Leterrier and written by Ed Solomon, Boaz Yakin and Edward Ricourt.  The film features an ensemble cast of Jesse Eisenberg, Mark Ruffalo, Woody Harrelson, Mélanie Laurent, Isla Fisher, Dave Franco, Michael Caine, and Morgan Freeman.  The plot follows an FBI agent and an Interpol detective who track a team of illusionists who pull off bank heists during their performances and reward their audiences with the money.  This is the first installment of the series.

Fresh (1994 film): Fresh is a 1994 American crime film written and directed by Boaz Yakin in his film directorial debut, also produced by Randy Oslow and Lawrence Bender (seen in a cameo appearance).  It was scored by Stewart Copeland, a member of The Police.

Supporting paragraphs: Boaz Yakin Walter Lang
Answer: yes