Ƙirƙirar wani nau'i mai mahimmanci na wannan jumla Leonard Porter Ayres (1879 - 1946) wani malamin Amurka ne, soja, da kuma ilimin lissafi.
Tabbas, wani nau'i mai rikitarwa na jumla shine "Leonard Porter Ayres (1879 - 1946) wani malamin Amurka ne, wanda aka haife shi a Niantic, Conn. Ya sami kwalejinsa da karatun digiri a jami'o'in Boston, Harvard, da Columbia. "