A generation ago, female faces were rare and, even today, visitors walking through the first floor of LeConte Hall will see a full corridor of exhibits honoring the many distinguished physicists who made history here, virtually all of them white males

句子整体结构为：并列1+并列句2.，期中并列句2包含2个现在分词短语作定语和1个定语从句作定语结构

并列句(1): a generation ago ,female faces were rare 

并列句子(1)结构分析

时间状语：a generation ago

主语：female faces

系动词：were

表语：rare

并列连词：and, 

并列句(2)even today, visitors walking through the first floor of LeConte Hall will see a full corridor of exhibits honoring the many distinguished physicists who made history here, virtually all of them white males

并列句子(2)结构分析

时间状语：even today

主语：visitors

修饰主语后置定语：walking through the first floor of LeConte Hall

谓语：will see

宾语:a full corridor of exhibits

修饰宾语后置定语： honoring the many distinguished physicists who made history here, virtually all of them white males

定语从句:who made history here 修饰名词 physicists.

virtually all of them white males 作 physicists 的同位语。