"person" radical in Chinese characters (Kangxi radical 9)
亻
=
丿
+
丨
:
Mnemonic symbol: Rosa Luxemburg. She's quite radical, and her name starts with "r", just like "ren2". Also, 亻appears at the left-hand side of characters, and Rosa is a leftist as well.
Robinson Crusoe (r) and Rosa Luxemburg (亻) are having their favorite snacks in the encampment's kitchen: Rosa is eating a banana (丿) and Robinson is eating a dinosaur bone (丨).
Ithaca, Island state of Greece, the home of Odysseus 奧迪修斯|奥迪修斯[Ao4 di2 xiu1 si1] / Ithaca NY (but pronounced [Yi3 se4 jia1]), location of Cornell University 康奈爾|康奈尔[Kang1 nai4 er3]