Martin Speckter is the inventor of the interrobang

Interrobang

The interrobang, interabang , , is a nonstandard punctuation mark used in various written languages and intended to combine the functions of the question mark and the exclamation mark or exclamation point . The glyph is a superimposition of these two marks...

 (‽), a punctuation

Punctuation

Punctuation marks are symbols that indicate the structure and organization of written language, as well as intonation and pauses to be observed when reading aloud.In written English, punctuation is vital to disambiguate the meaning of sentences...

 mark that combines the uses of the exclamation point and the question mark

Question mark

The question mark , is a punctuation mark that replaces the full stop at the end of an interrogative sentence in English and many other languages. The question mark is not used for indirect questions...

. As the head of an advertising firm, Speckter looked for ways to merge the two symbols into one convenient mark. However, the interrobang never quite caught on and is currently a rarely used symbol.

Martin K. Speckter was president of Martin K. Speckter Associates Incorporated from 1956 to 1959. He handled the promotion for Wall Street Journal, National Observer, Barrons Weekly and Dowe Jones News Service. In 1969 Martin K. Speckter Associates merged with Clinton E. Krank advertising. Speckter was also the editor of Type Talks Magazine from 1959 to 1968 which he also wrote for. He retired in 1974. In 1971, he authored Disquisition on the Composing Stick.http://www.google.com/search?hl=en&rls=com.microsoft:en-US&sa=X&oi=spell&resnum=0&ct=result&cd=1&q=disquisition+on+the+composing+stick&spell=1