Felix Mendelssohn | Felix Frankfurter | Felix the Cat | Félix Guattari | María Félix | Félix Trinidad | Felix Klein | Julie Felix | Felix Rodriguez | Félix Houphouët-Boigny | Felix Da Housecat | José Félix Ribas Municipality, Aragua | Felix von Luckner | Felix Unger | Félix Rodríguez (Central Intelligence Agency) | Felix Magath | Félix Fénéon | Allyson Felix | Felix Werder | Felix the Cat: The Movie | Félix Resurrección Hidalgo | Felix Dzerzhinsky | Felix da Housecat | Felix Cavaliere | Rachel Félix | Felix Silla | Félix Savón | Felix Nussbaum | Felix Mottl | Felix Gonzalez-Torres |
Trogan also taught for several years for at New York University, and privately for prominent individuals and families, including the families of violinist Isaac Stern, actor Richard Burton, diplomat Felix Rohatyn, actor Christopher Plummer, Sarasota Opera director Victor DeRenzi, and New York City Opera conductor Julius Rudel.