sionally. The truth is probably a mixture of the two. Finding good problems—problems that la) Prof. G. M. Whitesides Department of Chemistry and Chemical Biology Harvard University 12 Oxford Street Cambridge, MA 02138.2902 (USA) Fax: (+1)617-495-9857 E-mail: [email protected]. edu (j I thank

portant. Understanding phenomena relevant to energy and the environ- ment leads to new technologies and to the ability 'Department of Chemistry and Chemical Biology, Harvard University. Cambridge, IAA 02138. USA, IMaterlals Science Division. Argonne National Laboratory. Argonne, IL 60439, USA. 'Co %horn corre

ofessionally. The truth is probably a mixture of the two. Finding good problems—problems that Prof. G. M. Whitesides Department of Chemistry and Chemical Biology Harvard University 12 Oxford Street Cambridge, MA 02138-2902 (USA) Pal: (+1)617.495.98S7 E-mail: gwhitesidesegmwgroup.harvard. edu (al I thank

rating role as a Medicinal Chemistry Lab Manager at Novartis Institutes for BioMedical Research (2004-2007). Mark received his Ph.D. in Chemistry and Chemical Biology from Harvard University as a National Science Foundation Graduate Research Fellow. Mike Dybbs, Ph.D., (39), Principal, joined New Leaf in 2009 and w