Who was the applied originator behind IBM's Harvard Mark I PC?

Here is the solution to question 61:

61. Applied originator behind IBM's Harvard Mark I PC is:
The Harvard Mark I, officially known as the Automatic Sequence Controlled Calculator (ASCC), was designed by Howard Aiken and built by IBM.

• Assuming option D, which is cut off, is Howard Aiken, then the correct option is D. $$\boxed{\text{D. Howard Aiken}}$$