Marguerite Lehr
... that Marguerite Lehr conducted a televised lecture course on mathematics in the 1950s?
... that <b id="mwB7M"><a href="./Marguerite_Lehr" id="mwB7Q" rel="mw:WikiLink" title="Marguerite Lehr">Marguerite Lehr</a></b> conducted a televised lecture course on mathematics in the 1950s?