Contrary to Facebook, if you want to see who liked your stuff on Google+, it always takes 100 years to find out. Why?
What is the easiest thing to click to know who +1 your stuff?
Also if the feed tells me Eric like my photo…I cannot click on his name in the feed. It's just plain stupid.
Best Answer
In your Google+ Notifications (that's the little bell in the upper right), just click on the card that tells you "Eric +1'd your photo" and it will pop up your photo post.
If you want more information on who +1'd/shared/etc., click "View post" at the bottom.
Then, when you have the full view of the post, open the menu (looks like a wide "V") and click "View post activity". There you'll see all the people who +1'd and/or shared the post. Click on Eric's name to see his profile.
It would probably be nice if you could click the link for the person's profile in the first step, but since G+ consolidates notifications, that would be problematic for posts with a lot of activity on them, so I'm sure it's a conscious design decision. (And even Facebook requires some extra clicks if more than a couple people have "Liked" a post of yours.)