finding my lost pen pal

My name is arulmani and I am mailing from Malaysia. I am looking for my pen pal Carlos Mack whom I have lost contact for nearly 15 years.I would very much like to to get in touch with him. His last known address is ( if i am not mistaken) is No: 11 Peterson Avenue, Sunningdale Harare, Zimbabwe. If anyone knows him please contact me through my email.Advance thanks and hope to get some good news. God Bless!