2 scientists/brothers working in a lab together
3m
6.1·2011
6.2·1975
6.5·1991
6.5·1968
6.1·2021
5.9·2018
5.9·1991
6.7·2020
6.0·2007
6.8·2006
7.5·1999
6.0·2014
6.0·2009
6.2·2012
5.8·2025
6.0·1956
6.4·2020
6.7·2014
5.9·1946
7.0·1971
