John Meakin has had a distinguished career of over half a century in the theory of semigroups. This article gives a synopsis of his most important contributions. The author, a long time collaborator, gives his personal memories of working with John and the influence he has had on his career.

中文翻译：

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向约翰·梅金（John Meakin）诞辰75周年致敬

约翰·梅金（John Meakin）在半群论领域有着超过半个世纪的杰出职业生涯。本文概述了他最重要的贡献。作者是长期的合作者，讲述了他与John合作的个人记忆以及他对他的职业生涯的影响。