Roy W. Hann Jr., PhD, PE, DEE
November 12, 2019
Title: Professor Emeritus, Ranch Owner Location: Gause, TX United States
Title: Professor Emeritus, Ranch Owner Location: Gause, TX United States
Title: Civil Engineer, Natural Resource Consultant Location: Washington, DC United States
Corporate Address:
350 RXR Plaza
Uniondale, NY 11556
Alternate Address:
51 John F Kennedy Pkwy Fl
West Short Hills, NJ 07078-2704
Phones:
1 (908) 673-0100
1 (908) 279-0100
Toll Free: 1 (844) 394-6946
E-mail:
info@marquiswhoswho.com
or
info@marquisww.com
Hours:
Mon – Thu: 9:00 AM – 5:30 PM
Fri: 9:00 AM – 4:30 PM
Marquis Who’s Who was established in 1898 and promptly began publishing biographical data in 1899. More than 125 years ago, our founder, Albert Nelson Marquis, established a standard of excellence with the first publication of Who’s Who in America.