JOAN LANDENBERGER TREFTS
Joan Landenberger Trefts was a home economist and educator in biological science, economics, vocational training and pre-kindergarten until her retirement.
Joan Landenberger Trefts was a home economist and educator in biological science, economics, vocational training and pre-kindergarten until her retirement.
Marquis Who’s Who was established in 1898 and promptly began publishing biographical data in 1899. More than 120 years ago, our founder, Albert Nelson Marquis, established a standard of excellence with the first publication of Who’s Who in America.