The answer to the first blank is Dankmar Adler and Louis Sullivan. The answer to the second blank would be skycraper. The Wainwright building was designed by Dankmar Adler and Louis Sullivan. It is one of the earliest examples of a skyscraper.
The Wainwright building was designed by Louis Sullivan. It is one of the earliest examples of a steel-framed skyscraper. It is also 10 stories high and red-colored! c:
