Elmer William Engstrom
...that American engineer Elmer William Engstrom was involved in the development of television by RCA in the 1930s?
...that American <a href="./Engineer" id="mwBvQ" rel="mw:WikiLink" title="Engineer">engineer</a> <b id="mwBvU"><a href="./Elmer_William_Engstrom" id="mwBvY" rel="mw:WikiLink" title="Elmer William Engstrom">Elmer William Engstrom</a></b> was involved in the development of <a href="./Television" id="mwBvc" rel="mw:WikiLink" title="Television">television</a> by <a href="./RCA" id="mwBvg" rel="mw:WikiLink" title="RCA">RCA</a> in the 1930s?