Frank Beard (musician) played in the bands American Blues, the Warlocks, and the Cellar Dwellers. After honing their trademark "Texas boogie-blues-rock" style, they released their aptly titled "ZZ Top's First Album" on London Records in January 1971. When ZZ Top started, Beard was known by the nickname "Rube" and was credited as "Rube Beard" on the first album and on "Tres Hombres", the band's third album, but is listed under his real name on "Rio Grande Mud", their second album. After "Tres Hombres", he was credited as "Frank Beard" on all the band's albums. Ironically, despite his last name he is the only
Beard philosopher in this era, having a beard and its condition indicated their commitment to live in accord with their philosophy. Professional airline pilots are required to be clean shaven to facilitate a tight seal with auxiliary oxygen masks. However, some airlines have recently lifted such bans in light of modern studies. Similarly, firefighters may also be prohibited from full beards to obtain a proper seal with SCBA equipment. This restriction is also fairly common in the oil & gas industry for the same reason in locations where hydrogen sulfide gas is a common danger. Other jobs may prohibit beards as