Derrick Oswald is a Canadian engineer currently living in Switzerland who has been programming for over fourty years.

His nickname is curmudgeon because he is a cantankerous, obstinate old man.

This blog is titled Curmudgeon Constructs, /kɜː(ɹ)ˈmʌdʒ.ən ˈkɒn.stɹʌkt/ n. pl. of curmudgeon construct.