Shamam Waldman

This study analyzes ancient DNA from three European sites to assess the genomic impact of the second plague pandemic, finding no strong positive selection but evidence of reduced long-range immigration post-pandemic.

The paper reports whole-genome sequencing of a mid-20th-century femur from Israel, revealing Arab ancestry instead of the proposed Ashkenazi Jewish origin.

The paper explains the sister repulsion phenomenon in Patterson's f-statistics by proposing a demographic model involving gene flow from an external source.

The paper analyzes genome-wide data from medieval German Jews to show the Ashkenazi founder event occurred before the 14th century, with genetic heterogeneity not present in modern Ashkenazi Jews.