P.S. His daughter was about 10 years older than me and I was about the 40th (and last) PhD student he had supervised.
P.S. ລູກສາວຂອງລາວປະມານ 10 ປີຂຶ້ນໄປກ່ວາຂ້າພະເຈົ້າແລະຂ້າພະເຈົ້ານີ້ແມ່ນກ່ຽວກັບການ 40 ປີ (ແລະສຸດທ້າຍ) ນັກສຶກສາປະລິນຍາເອກທີ່ທ່ານໄດ້ຊີ້ນໍາ.