Wikipedia:

Roger Lenert, born on 9 January 1938 in Gouschteng, is a Luxembourgish politician (CSV) and school teacher. He was mayor of the municipality of Fluessweiler from 1970 to 2005 and a member of the Chamber of Deputies from 1979 to 1989. 

He is the father of the Luxembourgish economist and journalist Paul Lenert.

He was a primary school teacher in Nidderdonven from 1959 to 1966, and from 1966 to 1979 he taught at the Centre socio-éducatif de l'État in Dräibuer.

After he was no longer elected to the Chamber, he was a professor at the Lycée technique Joseph Bech in Gréiwemaacher from 1989 until his retirement in 1998.