How famous is a scientist? —Famous to those who know us J. P. Bagrow, H. D. Rozenfeld, E. M. Bollt and D. ben-Avraham Europhys. Lett., 67 4 (2004) 511-516 Published online: 01 August 2004 DOI: 10.1209/epl/i2004-10104-y