Joaquim Antônio de Arruda, Baron of Atibaia (November 14, 1809 – June 20, 1881) was a Brazilian nobleman, investor, and politician. A wealthy landowner who made his fortune cultivating coffee, he was the first person born in Campinas to receive a noble title.
Arruda was a shareholder of the Companhia Paulista de Estradas de Ferro and helped establish the Companhia Mogiana de Estradas de Ferro (pt). He was part of the Sociedade Culto à Ciência, which founded the traditional Colégio Culto à Ciência.
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Further reading
ZUQUETE, Afonso Eduardo Martins. Nobreza de Portugal e do Brasil, Editorial Enciclopédia, Lisboa-Rio de Janeiro, 1961, Vol. III, pp. 575–576