Septech I retired from Northwestern U. in 2002. I presently have 2 businesses: 1. Septech Inc. has developed the only objective diagnostic test for the disease of... I retired from Northwestern U. in 2002. I presently have 2 businesses: 1. Septech Inc. has developed the only objective diagnostic test for the disease of alcoholism, quantitating CDT (carbohydrate deficient transferrin). The test was licensed to Siemens Diagnostics and is now on the market. 2...