With Web of Science you can identify an author and generate Citation Reports, which include times cited, citations per year, and h-index.
Note: Web of Science only counts citations from articles indexed by ThomsonISI, the company that owns Web of Science.
Web of Science indexes core journal articles, conference proceedings, data sets, and other resources in the sciences, social sciences, arts, and humanities.
Step 1:
On the Library homepage search for "Web of Science" in Easy Search. A direct link to Web of Science will be at the top of your search results.
Step 2:
Click on the arrow next to "Basic Search" and choose "Cited Reference Search" from the dropdown menu.

Step 3:
Enter information about your article into the search boxes. In the example we will search for an article published in Science in 2005 by author AJ Leggett.

Step 4:
Choose the result that matches your citation information. In this case, we know we are looking for an article by Leggett in volume 307 of Science, published in 2005. Place a check mark next to the correct article, and click "Finish Search."

Step 5:
The final result is a list of articles that have cited the article:

For more information see Web of Science's cited reference search tutorial.