[NicknamedBob]

"Anybody so obviously fascinated by gender-switching, homosexuality, incest and other interesting sexual variations doesn't fit my definition."

I think, in the same way that some will define "justifiable" homicide, Heinlein delved into societal abnormalities where "justifiable" alternatives to traditional mores seemed excusable.

But if he ventured into actual homosexuality, he must have done it in such a gentle fashion that I hardly noticed.

[Professional Engineer]

I am: Hal Clement (Harry C. Stubbs) A quiet and underrated master of "hard science" fiction who, among other things, foresaw integrated circuits back in the 1940s.

Which science fiction writer are you?

[Sherman Logan]

But if he ventured into actual homosexuality, he must have done it in such a gentle fashion that I hardly noticed.

You must not have read some of the last books he wrote. Not that you missed a great deal