MARK A. LANE, DONALD K. INGRAM and GEORGE S. ROTH researched caloric restriction together for many years at the National Institute on Aging of the National Institutes of Health. Lane, who in March became a project manager at Merck and Co., in Rahway, N.J., continues to collaborate with Ingram and Roth as a guest investigator at the NIA. Ingram is chief of the Behavioral Neuroscience Section at the institute's Laboratory of Neurosciences. Roth, who spent nearly 30 years as a full-time researcher at the NIA, is now a senior guest scientist there. He is also chief executive officer of GeroTech, a new biotechnology venture devoted to anti-aging strategies.