What can you do if you “lose' ’ the data from your disks? To find an expert, who can recover The 1 information for you, is probably the easiest solution. Jack Olson is one of these experts. Jack and a few of his friends 2 a company called “Jack's Disk Doctor Service”. They work from home and give all the 3 they earn to charity. The fees are always the same, no matter how precious the data on the disk is. Some people , 4 , are so grateful that they send extra money to Jack or to the charities his company support. One oil company offered him $2 000 for his help and an architect even sent him a blank check. It would be difficult to put a value on the things 5 by the Disk Doctor. There have been disks which 6 medical research, television scripts, manuscripts of whole books, a lawyer's papers for a court case, and even Margaret Thatcher' s travel plan for a visit to eastern Europe. For this last case, Jack had to go 7 to Thatcher' s office “ for security reasons" ! Disks are usually sent to the Disk Doctor 8 but sometimes people are in such a hurry that they cannot wait for the mail to come. For example, some radio scripts had to be rushed by taxi to Jack' s house because they were needed for 9 the next day. When the material has been recovered, the disk is returned to the sender with a diagnosis and a prescription for avoiding the problem in the future. One grateful client, and author, put a “thank you” to Jack in the front of his book.“Jack saved me from a heart attack," he wrote. “But," says Jack, “most people don' t take any 10 of the doctor' s advice !”