Is it TH, R, L, F, P?

是 TH、R、L、F、P 吗？

One of the people that saw one of those talks was a young Italian engineer named L. F. Menabrea, who ended up becoming the Prime Minister of Italy.

他的其中一个观众是一个叫路易吉·费德里科·米纳布里亚的意大利年轻工程师，他最后成了意大利总理。