David says: "I'm excited to publish my first solo puzzle, having previously co-constructed one for the NYT with my daughter Sophia. In addition to referring me to 7xwords, Sophia taught me everything I know about crossword constructing; I suppose I can take credit for teaching her the alphabet 20 years or so earlier."
P.S. The NYT puzzle that David mentioned is
here, and Sophia's 7xword is
here.