The year 2020 marks the 50th anniversary of Theoretical Population Biology. This special issue examines the past and continuing contributions of the journal. We identify some of the most important developments that have taken place in the pages of TPB, connecting them to current research and to the numerous forms of significance achieved by theory in population biology.

中文翻译：

---

理论人口生物学五十年。

2020年是理论人口生物学诞生50周年。本期专刊探讨了该期刊的过去和以后的贡献。我们确定了TPB页面上发生的一些最重要的进展，将它们与当前的研究以及人口生物学理论所实现的多种重要形式联系起来。